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Baby Sleep Sack 100% Cotton – Lightweight Wearable Blanket, Long-Sleeve Infant Romper Pajamas, Soft Breathable Onesie for Summer & Spring, Unisex Toddler Loungewear

Price range: $6.89 through $13.12

Product Name: Cotton Baby Sleep Sack – Separated Legs Toddler Wearable Blanket, Breathable A-Grade Sleepsuit for Boys & Girls

Brand: Unbranded / No Brand (Generic)

Made in: Anyang City, Henan Province, China

Description:

Give your baby the gift of safe, comfortable, and unrestrained sleep with this 100% cotton separated-leg sleeping bag.


✨ Why Parents Love This Sleep Sack

Unlike traditional restrictive sleepwear, our split-leg design allows babies to move freely. Whether your little one likes to roll, crawl, stand, or even run around before falling asleep, this sleep sack moves with them. No more tangled blankets or restless nights.


🌿 Skin-Friendly Grade A Cotton

We use 100% pure cotton with Grade A safety certification – the same standard as newborn undershirts. The fabric is ultra-soft, breathable, and hypoallergenic. For sensitive-skinned babies, we also offer seamless (boneless) construction in select styles to prevent chafing and irritation.


🌡️ All-Season Versatility

One product, three warmth levels – you choose what works best:

 
 
Style Temperature Best for
Long-sleeve (boneless) 19-29°C / 66-84°F Spring, Autumn, Cool Summer nights
Short-sleeve (boneless) 25-35°C / 77-95°F Hot Summer
3-layer quilted padded Colder weather Winter (insulated, thermal)

🧸 Adorable Prints for Every Personality

Your child will love these cute patterns:

  • Animals: Little Duck, Rabbit, Strawberry Bunny, Capybara, Green Dinosaur, Blue Puppy

  • Fun themes: Construction Vehicle, Ultraman, Blue Car, Letter Print

  • Quilted options: Dinosaur, Construction Team, Carrot Rabbit, Khaki Dinosaur, Car House


🛏️ Perfect for:

  • Nighttime sleep (replaces loose blankets – safer for babies)

  • Daytime naps

  • Travel & overnight trips

  • Home loungewear & playtime


🧼 Easy Care for Busy Parents

Machine washable and dryer safe. Remains soft after repeated washes. No pilling, no shrinking (when washed as directed).


📏 Size Guide

 
 
Size Code Height Range Recommended Age
80 65-82 cm 0 – 1.5 years
90 82-92 cm 1.5 – 3 years
100 92-102 cm 3 – 4 years
110 102-112 cm 4 – 5 years
120 112-122 cm 5 – 6 years
130 122-132 cm 6 – 8 years

(Please measure your child’s height before ordering for best fit.)

sort by color

Long-sleeved Little Tree-[Class A pure cotton boneless 19-29℃], Long-sleeved little yellow duck-[Class A pure cotton boneless 19-29℃], Long-sleeved engineering vehicle-[Class A pure cotton boneless 19-29℃], Long-sleeved Strawberry Rabbit-[Class A pure cotton boneless 19-29℃], Long-sleeved rabbit-[Class A pure cotton boneless 19-29℃], Long-sleeved Ultraman-[Class A pure cotton boneless 19-29℃], Long-sleeved blue puppy-[Class A pure cotton boneless 19-29℃], Long-sleeved Capibara-[Class A pure cotton boneless 19-29℃], Long-sleeved Green Dinosaur-[Class A pure cotton boneless 19-29℃], Long-sleeved blue car-[Class A pure cotton boneless 19-29℃], Short-sleeved dinosaur [Class A pure cotton/no bone seams] 25-35℃, Short-sleeved bunny [Class A pure cotton/no bone seams] 25-35℃, Short-sleeved deer [Class A pure cotton/no bone seam] 25-35℃, Short-sleeved letters [Class A pure cotton/no seams] 25-35℃, Engineering Fleet-[Three-layer quilted thermal storage and warmth], Carrot Rabbit-[Three layers of quilted cotton to store heat and keep warm], Car house-[Three-layer quilted thermal storage and warmth]

length

Size 80 [suitable for height 65-82cm] recommended age 0-1.5 years old, Size 90 [suitable for height 82-92cm] recommended age 1.5-3 years old, Size 100 [suitable for height 92-102cm] recommended age 3-4 years old, Size 110 [suitable for height 102-112cm] recommended age 4-5 years old, Size 120 [suitable for height 112-122cm] recommended age 5-6 years old, Size 130 [suitable for height 122-132cm] recommended age 6-8 years old

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