See Why Moms Love IMJ
Mummy Zipper Romper
Rated 5.0 out of 5 stars
752 Reviews
Mummy Zipper Romper
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Our Mummy print is a Halloween classic, made for cozy nights and cute matching moments. This unisex design features playful mummy characters and pumpkins on a charcoal background with warm orange accents. Made with our signature ultra-soft viscose from bamboo, this limited-edition style is breathable, stretchy, and perfect for sensitive skin.
Available in zipper rompers, two-piece sets, and a women’s pajama set, Mummy is perfect for twinning with your little ones all season long. Whether you’re snapping pics at the pumpkin patch or cuddling up for spooky storytime, this matching family set is a fall favorite.
Why Parents Love IMJ:
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Made from OEKO-TEX ultra-soft viscose from bamboo
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Gentle and safe for sensitive littles
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Breathable and designed to last 3x longer thanks to built-in stretch
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Exclusive prints that are only available for a limited time
Product Details:
- Extremely soft and stretchy
- 95% viscose from bamboo; 5% spandex
- Machine wash cold and tumble dry low
- Double Zipper
- No interior tags
- Footie Flap on all sizes
- Hand Flap on sizes NB - 9-12
- This product is imported
Snug fit in accordance with all CPSC safety regulations. Our pajamas are never treated with flame-retardants or chemicals! For child's safety, garment should fit snugly. This garment is not flame resistant.
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Frequently Asked Questions
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It means peace of mind. Every piece of our clothing is certified by STANDARD 100 by OEKO-TEX®, which is a fancy way of saying:
no harmful chemicals, no toxins, nothing icky- just safe, gentle fabric for your little one.
Oeko-Tex testing goes above and beyond national safety standards. From the thread to the dye, everything is screened for over 100 harmful substances. If it touches your baby’s skin, it has to pass the test.
You get softness they love, with the safety you can trust.
Certificate#: BJ050 249975
Test Report#: BJ050 249975.4
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Because softness matters- especially at 2 a.m. Our pajamas are made with viscose from bamboo, a fabric loved for its buttery feel, breathability, and natural stretch. It keeps your little one cool when it’s warm and cozy when it’s chilly, making it just right for sensitive skin (and sleepy snuggles).
Plus, it holds up wash after wash, because we know laundry day is always just around the corner.
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We gladly offer refunds or exchanges within 30 days of delivery on any unworn, unused items with tags still attached.
Just a heads-up: please hold onto the original plastic bag, you’ll need it to send your items back.
Need help with a return? Click HERE to start a return.
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Yes! IMJ fits true to size- no need to size up.
Compared to other viscose-from-bamboo brands, our pajamas are designed with a comfy, flexible fit that grows with your little one (thanks to the natural stretch). If you’re familiar with other bamboo brands, you’ll find our sizing refreshingly consistent- snug, not tight; roomy, not baggy.
When in doubt, check our size chart or reach out- we’re happy to help!
Total 5 star reviews: 736 Total 4 star reviews: 11 Total 3 star reviews: 2 Total 2 star reviews: 2 Total 1 star reviews: 1
99%would recommend these products
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Reviews Summary
Generated by AI from 100 most recent customer reviews
Last updated 1 month ago
Customers say these pajamas are incredibly soft and feature adorable prints that they love. The material is stretchy and comfortable, allowing babies to wear them for extended periods as they grow. Many reviews mention the excellent quality and durability, with pajamas holding up well after multiple washes without pilling. Common feedback includes praise for the fast shipping and true-to-size fit, though some note the sizing runs small compared to other brands. A few customers mention the legs can be tight, and one experienced shrinkage issues. Overall, parents are obsessed with the brand and frequently purchase multiple items.
Customers Talked About
- Softness
- Design
- Quality
- Fit
- Comfort
752 reviews
- Caree K.Verified BuyerReviewingGreen Pup Friends Zipper RomperI recommend this productChild's Typical Size 9-12 MonthsSize Purchased 9-12 MonthsRated 5 out of 5 stars4 minutes agoBEST bamboo sleeper!
Love this print so much! These bamboo PJs are so soft and stretchy. Will be buying more!
- Caree K.Verified BuyerReviewingGreen Surfs Up Zipper RomperI recommend this productChild's Typical Size 9-12 MonthsSize Purchased 9-12 MonthsRated 5 out of 5 stars5 minutes agoBEST PJs
These bamboo pajamas are seriously so soft and stretchy. The prints are so cute! We love them so much!
- BrookeReviewingPawsh Pup Zipper Romper IMJ x Karissa AbbottI recommend this productRated 5 out of 5 stars6 days ago5 Stars
Adorable & so soft!
- Maria R.Verified BuyerReviewingSweet Strawberry Zipper RomperI recommend this productChild's Typical Size 12-18 MonthsSize Purchased 12-18 MonthsRated 5 out of 5 stars1 week agoExcelente
Es muy cómoda y la tela especial para mi bebé
- Dusty D.Verified BuyerReviewingBlue Bugs and Blooms Zipper Romper IMJ x Lauren LaneI recommend this productRated 5 out of 5 stars1 week agoAdorable
Adorable!
Exclusive Prints
Each season, we release a carefully curated selection of trendy, limited edition prints that can’t be found anywhere else. From playful florals to whimsical winter themes, available only for a short time each season.
Day-To-Night
Our bamboo jammers aren’t just for bedtime! Designed for day-to-night comfort, they’re perfect for lounging at home, nap time, and even play time!
Bamboo Fabric
Made from the softest bamboo fabric, our pajamas are ultra-gentle on delicate skin, offering unmatched comfort for your little ones and you. Experience the luxury of all-day coziness!