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Smart Bottoms Small Wet Bag - The Fourth Dimension
The Small Wet Bag holds approximately 2 All-In-One (AIO) cloth diapers and is the perfect size for a quick trip out or to hold an extra change of clothes or toys for baby.
Material Contents
Inner: 100% PUL Outer: 100% Polyester
Care Instructions
Wash and dry warm. Do not use bleach or fabric softener.
Features
- Strap handle with snap so it can easily be attached to a stroller handle.
- Double layer of fabric for odor protection and durability.
- May be machine washed and dried.
- Dimensions 12" x 8"
See our selection of other wet bags;
On-the-Go Wet Bag
Hanging Wet Bag
Mini Wet Bag
The Smart One 4.0 in Adele is a one-size organic-cotton all-in-one cloth diaper. Adele scatters delicate wildflowers and trailing greenery on a cream ground. It has a fresh garden-party feel.
The airy palette suits spring and summer changes. It is a true all-in-one, so there is nothing to stuff, and it is made in the USA.
- Certified organic cotton interior
- Waterproof PUL exterior
- One-size rise, about 10 to 35 pounds
- True all-in-one - sewn-in absorbency
- Made in the USA
Do I need to prep it?
Yes - wash it a few times before use; organic cotton softens and absorbs more with each wash, reaching full absorbency after six to eight washes.
Is it a true all-in-one?
Yes - the absorbent layers are sewn in, so there is nothing to stuff or fold. Just wash and go.
How should I care for it?
Machine wash on a gentle setting and dry per the label to keep it soft. The fabric is made to hold up to everyday use and repeat washing. There is no fussy routine to follow.
For a no-prep pocket option, see the Dream Diaper in Adele. Prints above.
The Smart One 4.0 in After the Storm is a one-size organic-cotton all-in-one cloth diaper. After the Storm arcs a bright rainbow over soft grey clouds. The hopeful, sunny-side-up mood lifts any change.
It is a cheerful pick for rainy-day nurseries. It is a true all-in-one, so there is nothing to stuff, and it is made in the USA.
- Certified organic cotton interior
- Waterproof PUL exterior
- One-size rise, about 10 to 35 pounds
- True all-in-one - sewn-in absorbency
- Made in the USA
Do I need to prep it?
Yes - wash it a few times before use; organic cotton softens and absorbs more with each wash, reaching full absorbency after six to eight washes.
Is it a true all-in-one?
Yes - the absorbent layers are sewn in, so there is nothing to stuff or fold. Just wash and go.
Is it a good gift?
Yes - a soft, well-made piece is an easy present that gets used for years. It suits baby showers, birthdays, and welcome-home gifts. Pair it with a coordinating piece for a ready-made set.
For a no-prep pocket option, see the Dream Diaper in After the Storm. Prints above.
The Smart One 4.0 in Anastasia is a one-size organic-cotton all-in-one cloth diaper. Anastasia blooms with dusty-pink roses and peonies for a vintage, heirloom look. It leans soft, romantic, and grown-up.
The muted palette pairs with cream and blush outfits. It is a true all-in-one, so there is nothing to stuff, and it is made in the USA.
- Certified organic cotton interior
- Waterproof PUL exterior
- One-size rise, about 10 to 35 pounds
- True all-in-one - sewn-in absorbency
- Made in the USA
Do I need to prep it?
Yes - wash it a few times before use; organic cotton softens and absorbs more with each wash, reaching full absorbency after six to eight washes.
Is it a true all-in-one?
Yes - the absorbent layers are sewn in, so there is nothing to stuff or fold. Just wash and go.
How should I care for it?
Machine wash on a gentle setting and dry per the label to keep it soft. The fabric is made to hold up to everyday use and repeat washing. There is no fussy routine to follow.
For a no-prep pocket option, see the Dream Diaper in Anastasia. Prints above.
Smart Bottoms Smart One 4.0
One Size | 10–35 lbs | 100% Certified Organic Cotton
The Smart One 4.0 is a premium organic cotton all-in-one cloth diaper designed for simplicity, absorbency, and long-term durability. This one-size reusable diaper fits most babies from 10 to 35 pounds and provides reliable leak protection without unnecessary bulk.
With ten absorbent layers of certified organic cotton and an attached insert that folds for customized absorbency, the Smart One 4.0 delivers performance and convenience in one streamlined design.
Why Parents Choose the Smart One 4.0
100% Certified Organic Cotton Interior
The diaper is lined with certified organic cotton, providing a natural fiber layer against baby’s skin. No synthetic stay-dry materials are used inside the diaper.
Ten Layers of Absorbency
Built with ten super absorbent layers, this all-in-one diaper is designed to handle everyday wear while maintaining a trim fit.
Customizable Absorbency
The attached insert can be folded to concentrate absorbency exactly where your baby needs it most, making it suitable for both light and heavier wetters.
True All-in-One Convenience
Everything is sewn in. No stuffing, snapping, or assembling required. Diaper changes are quick and straightforward, making this an ideal option for caregivers, daycare, or cloth diaper beginners.
Faster Dry Time
The unique design allows for efficient washing and drying. Most machines will fully dry the diaper in one warm cycle.
Gentle, Leak-Reducing Fit
Wide, rolled leg elastic helps:
- Reduce red marks
- Improve comfort
- Prevent leaks
Materials
Inner: 100% Certified Organic Cotton
Outer: 100% TPU (waterproof and breathable)
Care Instructions
- Wash 1–2 times before first use to prep the fibers.
- Absorbency will continue to increase with regular washing and drying.
- Wash warm.
- Dry warm.
- Do not use bleach or fabric softener.
The Smart One 4.0 in Brambleberry is a one-size organic-cotton all-in-one cloth diaper. Brambleberry winds blackberry vines and thorns through a moody thicket. The rich, cottage-core scene feels woodsy and warm.
It suits a nature-loving, earthy nursery. It is a true all-in-one, so there is nothing to stuff, and it is made in the USA.
- Certified organic cotton interior
- Waterproof PUL exterior
- One-size rise, about 10 to 35 pounds
- True all-in-one - sewn-in absorbency
- Made in the USA
Do I need to prep it?
Yes - wash it a few times before use; organic cotton softens and absorbs more with each wash, reaching full absorbency after six to eight washes.
Is it a true all-in-one?
Yes - the absorbent layers are sewn in, so there is nothing to stuff or fold. Just wash and go.
How should I care for it?
Machine wash on a gentle setting and dry per the label to keep it soft. The fabric is made to hold up to everyday use and repeat washing. There is no fussy routine to follow.
For a no-prep pocket option, see the Dream Diaper in Brambleberry. Prints above.
Smart Bottoms Smart One 4.0
One Size | 10–35 lbs | 100% Certified Organic Cotton
The Smart One 4.0 is a premium organic cotton all-in-one cloth diaper designed for simplicity, absorbency, and long-term durability. This one-size reusable diaper fits most babies from 10 to 35 pounds and provides reliable leak protection without unnecessary bulk.
With ten absorbent layers of certified organic cotton and an attached insert that folds for customized absorbency, the Smart One 4.0 delivers performance and convenience in one streamlined design.
Why Parents Choose the Smart One 4.0
100% Certified Organic Cotton Interior
The diaper is lined with certified organic cotton, providing a natural fiber layer against baby’s skin. No synthetic stay-dry materials are used inside the diaper.
Ten Layers of Absorbency
Built with ten super absorbent layers, this all-in-one diaper is designed to handle everyday wear while maintaining a trim fit.
Customizable Absorbency
The attached insert can be folded to concentrate absorbency exactly where your baby needs it most, making it suitable for both light and heavier wetters.
True All-in-One Convenience
Everything is sewn in. No stuffing, snapping, or assembling required. Diaper changes are quick and straightforward, making this an ideal option for caregivers, daycare, or cloth diaper beginners.
Faster Dry Time
The unique design allows for efficient washing and drying. Most machines will fully dry the diaper in one warm cycle.
Gentle, Leak-Reducing Fit
Wide, rolled leg elastic helps:
- Reduce red marks
- Improve comfort
- Prevent leaks
Materials
Inner: 100% Certified Organic Cotton
Outer: 100% TPU (waterproof and breathable)
Care Instructions
- Wash 1–2 times before first use to prep the fibers.
- Absorbency will continue to increase with regular washing and drying.
- Wash warm.
- Dry warm.
- Do not use bleach or fabric softener.
Smart Bottoms Smart One 4.0
One Size | 10–35 lbs | 100% Certified Organic Cotton
The Smart One 4.0 is a premium organic cotton all-in-one cloth diaper designed for simplicity, absorbency, and long-term durability. This one-size reusable diaper fits most babies from 10 to 35 pounds and provides reliable leak protection without unnecessary bulk.
With ten absorbent layers of certified organic cotton and an attached insert that folds for customized absorbency, the Smart One 4.0 delivers performance and convenience in one streamlined design.
Why Parents Choose the Smart One 4.0
100% Certified Organic Cotton Interior
The diaper is lined with certified organic cotton, providing a natural fiber layer against baby’s skin. No synthetic stay-dry materials are used inside the diaper.
Ten Layers of Absorbency
Built with ten super absorbent layers, this all-in-one diaper is designed to handle everyday wear while maintaining a trim fit.
Customizable Absorbency
The attached insert can be folded to concentrate absorbency exactly where your baby needs it most, making it suitable for both light and heavier wetters.
True All-in-One Convenience
Everything is sewn in. No stuffing, snapping, or assembling required. Diaper changes are quick and straightforward, making this an ideal option for caregivers, daycare, or cloth diaper beginners.
Faster Dry Time
The unique design allows for efficient washing and drying. Most machines will fully dry the diaper in one warm cycle.
Gentle, Leak-Reducing Fit
Wide, rolled leg elastic helps:
- Reduce red marks
- Improve comfort
- Prevent leaks
Materials
Inner: 100% Certified Organic Cotton
Outer: 100% TPU (waterproof and breathable)
Care Instructions
- Wash 1–2 times before first use to prep the fibers.
- Absorbency will continue to increase with regular washing and drying.
- Wash warm.
- Dry warm.
- Do not use bleach or fabric softener.
-
One Size | 10–35 lbs | 100% Certified Organic Cotton
The Smart One 4.0 is a premium organic cotton all-in-one cloth diaper designed for simplicity, absorbency, and long-term durability. This one-size reusable diaper fits most babies from 10 to 35 pounds and provides reliable leak protection without unnecessary bulk.
With ten absorbent layers of certified organic cotton and an attached insert that folds for customized absorbency, the Smart One 4.0 delivers performance and convenience in one streamlined design.
Why Parents Choose the Smart One 4.0
100% Certified Organic Cotton Interior
The diaper is lined with certified organic cotton, providing a natural fiber layer against baby’s skin. No synthetic stay-dry materials are used inside the diaper.
Ten Layers of Absorbency
Built with ten super absorbent layers, this all-in-one diaper is designed to handle everyday wear while maintaining a trim fit.
Customizable Absorbency
The attached insert can be folded to concentrate absorbency exactly where your baby needs it most, making it suitable for both light and heavier wetters.
True All-in-One Convenience
Everything is sewn in. No stuffing, snapping, or assembling required. Diaper changes are quick and straightforward, making this an ideal option for caregivers, daycare, or cloth diaper beginners.
Faster Dry Time
The unique design allows for efficient washing and drying. Most machines will fully dry the diaper in one warm cycle.
Gentle, Leak-Reducing Fit
Wide, rolled leg elastic helps:
-
Reduce red marks
-
Improve comfort
-
Prevent leaks
Materials
Inner: 100% Certified Organic Cotton
Outer: 100% TPU (waterproof and breathable)
Care Instructions
-
Wash 1–2 times before first use to prep the fibers.
-
Absorbency will continue to increase with regular washing and drying.
-
Wash warm.
-
Dry warm.
-
Do not use bleach or fabric softener.
Key Benefits of the Smart One 4.0
-
Organic cotton cloth diaper
-
One-size all-in-one diaper
-
Reusable cloth diaper 10–35 lbs
-
Ten layers of absorbency
-
Trim, low-bulk design
-
Quick-dry cloth diaper
-
Easy cloth diaper for beginners
-
Natural fiber diaper without synthetic lining
-
The Smart One 4.0 in Grace is a one-size organic-cotton all-in-one cloth diaper. Grace keeps it quiet with tiny scattered sprigs on a pale ground. It is the understated, wears-with-anything option.
The subtle print layers under any outfit. It is a true all-in-one, so there is nothing to stuff, and it is made in the USA.
- Certified organic cotton interior
- Waterproof PUL exterior
- One-size rise, about 10 to 35 pounds
- True all-in-one - sewn-in absorbency
- Made in the USA
Do I need to prep it?
Yes - wash it a few times before use; organic cotton softens and absorbs more with each wash, reaching full absorbency after six to eight washes.
Is it a true all-in-one?
Yes - the absorbent layers are sewn in, so there is nothing to stuff or fold. Just wash and go.
Is it a good gift?
Yes - a soft, well-made piece is an easy present that gets used for years. It suits baby showers, birthdays, and welcome-home gifts. Pair it with a coordinating piece for a ready-made set.
For a no-prep pocket option, see the Dream Diaper in Grace. Prints above.
The Smart One 4.0 in Hazel is a one-size organic-cotton all-in-one cloth diaper. Hazel gathers marigolds and eucalyptus in warm rust and sage. The autumn palette suits a cozy, neutral nursery.
It is a warm pick for fall and winter. It is a true all-in-one, so there is nothing to stuff, and it is made in the USA.
- Certified organic cotton interior
- Waterproof PUL exterior
- One-size rise, about 10 to 35 pounds
- True all-in-one - sewn-in absorbency
- Made in the USA
Do I need to prep it?
Yes - wash it a few times before use; organic cotton softens and absorbs more with each wash, reaching full absorbency after six to eight washes.
Is it a true all-in-one?
Yes - the absorbent layers are sewn in, so there is nothing to stuff or fold. Just wash and go.
Is it a good gift?
Yes - a soft, well-made piece is an easy present that gets used for years. It suits baby showers, birthdays, and welcome-home gifts. Pair it with a coordinating piece for a ready-made set.
For a no-prep pocket option, see the Dream Diaper in Hazel. Prints above.
The Smart One 4.0 in Mermazing is a one-size organic-cotton all-in-one cloth diaper. Mermazing dives beneath the waves with mermaids, seashells, and coral. The aqua palette is a splash for ocean lovers.
It is a summery pick for beach season. It is a true all-in-one, so there is nothing to stuff, and it is made in the USA.
- Certified organic cotton interior
- Waterproof PUL exterior
- One-size rise, about 10 to 35 pounds
- True all-in-one - sewn-in absorbency
- Made in the USA
Do I need to prep it?
Yes - wash it a few times before use; organic cotton softens and absorbs more with each wash, reaching full absorbency after six to eight washes.
Is it a true all-in-one?
Yes - the absorbent layers are sewn in, so there is nothing to stuff or fold. Just wash and go.
How should I care for it?
Machine wash on a gentle setting and dry per the label to keep it soft. The fabric is made to hold up to everyday use and repeat washing. There is no fussy routine to follow.
For a no-prep pocket option, see the Dream Diaper in Mermazing. Prints above.
The Smart One 4.0 in Moo You is a one-size organic-cotton all-in-one cloth diaper. Moo You dots the diaper with grazing black-and-white dairy cows. The barnyard scene charms any farm-theme changing pad.
It is a cute pick for the little rancher. It is a true all-in-one, so there is nothing to stuff, and it is made in the USA.
- Certified organic cotton interior
- Waterproof PUL exterior
- One-size rise, about 10 to 35 pounds
- True all-in-one - sewn-in absorbency
- Made in the USA
Do I need to prep it?
Yes - wash it a few times before use; organic cotton softens and absorbs more with each wash, reaching full absorbency after six to eight washes.
Is it a true all-in-one?
Yes - the absorbent layers are sewn in, so there is nothing to stuff or fold. Just wash and go.
Is it a good gift?
Yes - a soft, well-made piece is an easy present that gets used for years. It suits baby showers, birthdays, and welcome-home gifts. Pair it with a coordinating piece for a ready-made set.
For a no-prep pocket option, see the Dream Diaper in Moo You. Prints above.
The Smart One 4.0 in Rad Raptor is a one-size organic-cotton all-in-one cloth diaper. Rad Raptor stomps out T-rex and raptor shapes in bold, punchy colors. It roars for the dinosaur fan.
The high-contrast print is fun from newborn on up. It is a true all-in-one, so there is nothing to stuff, and it is made in the USA.
- Certified organic cotton interior
- Waterproof PUL exterior
- One-size rise, about 10 to 35 pounds
- True all-in-one - sewn-in absorbency
- Made in the USA
Do I need to prep it?
Yes - wash it a few times before use; organic cotton softens and absorbs more with each wash, reaching full absorbency after six to eight washes.
Is it a true all-in-one?
Yes - the absorbent layers are sewn in, so there is nothing to stuff or fold. Just wash and go.
How should I care for it?
Machine wash on a gentle setting and dry per the label to keep it soft. The fabric is made to hold up to everyday use and repeat washing. There is no fussy routine to follow.
Compare the Safari Adventure and Cosmos Smart Ones. Prints above.
Smart Bottoms Smart One 4.0
One Size | 10–35 lbs | 100% Certified Organic Cotton
The Smart One 4.0 is a premium organic cotton all-in-one cloth diaper designed for simplicity, absorbency, and long-term durability. This one-size reusable diaper fits most babies from 10 to 35 pounds and provides reliable leak protection without unnecessary bulk.
With ten absorbent layers of certified organic cotton and an attached insert that folds for customized absorbency, the Smart One 4.0 delivers performance and convenience in one streamlined design.
Why Parents Choose the Smart One 4.0
100% Certified Organic Cotton Interior
The diaper is lined with certified organic cotton, providing a natural fiber layer against baby’s skin. No synthetic stay-dry materials are used inside the diaper.
Ten Layers of Absorbency
Built with ten super absorbent layers, this all-in-one diaper is designed to handle everyday wear while maintaining a trim fit.
Customizable Absorbency
The attached insert can be folded to concentrate absorbency exactly where your baby needs it most, making it suitable for both light and heavier wetters.
True All-in-One Convenience
Everything is sewn in. No stuffing, snapping, or assembling required. Diaper changes are quick and straightforward, making this an ideal option for caregivers, daycare, or cloth diaper beginners.
Faster Dry Time
The unique design allows for efficient washing and drying. Most machines will fully dry the diaper in one warm cycle.
Gentle, Leak-Reducing Fit
Wide, rolled leg elastic helps:
- Reduce red marks
- Improve comfort
- Prevent leaks
Materials
Inner: 100% Certified Organic Cotton
Outer: 100% TPU (waterproof and breathable)
Care Instructions
- Wash 1–2 times before first use to prep the fibers.
- Absorbency will continue to increase with regular washing and drying.
- Wash warm.
- Dry warm.
- Do not use bleach or fabric softener.
Frequently Asked Questions
What is the best material for baby pajamas in 2026?
For the highest safety and comfort standards, **GOTS certified organic cotton** and **premium bamboo viscose** (OEKO-TEX Standard 100) are the top choices. Organic cotton offers chemical-free purity for sensitive skin, while bamboo provides superior moisture-wicking and cooling for hot sleepers.
Why should I choose GOTS certified organic baby clothes?
GOTS certification is the gold standard because it ensures no toxic dyes, lead, or phthalates are used at any stage of production. It guarantees a non-toxic environment for your baby's skin and respiratory health.
Are bamboo pajamas safe for babies with eczema?
Yes, premium bamboo viscose is highly recommended for babies with eczema due to its smooth, low-friction texture and natural ability to wick moisture 3x faster than traditional fabrics, preventing heat-related flare-ups.
