One-Pieces
one-pieces — pre-owned
Browse 130,151 one-pieces — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

COW Applique Polka Dot Blue Girl Toddler One-Piece with Red Ruffle 18-24 Mos
Contrasting black-and-white striped sleeves and red ruffle cuffs add fun detail. Easy snap closures for quick changes. Bright blue and red colors brighten any outfit.

Princess Rose Baby Girl Ruffle Shoulder Bodysuit Mustard Yellow 6-9 Months Cotto
This Princess Rose Baby Girl Ruffle Shoulder Bodysuit in Mustard Yellow is perfect for your little one aged 6-9 months. Made from soft cotton, this one-piece features a snap closure for easy dressing. The ruffle accents and princess theme add a touch of elegance to this casual bodysuit, ideal for the summer and spring seasons. Simply machine washable for easy care, this bodysuit is a adorable addition to any baby girl's wardrobe.

BABY STARTERS Boys' "Little Slugger" Baseball Striped 100% Cotton Overalls 18M
Step up to the plate in the cutest way possible. This adorable Baby Starters overall romper features a playful “Little Slugger” baseball graphic with crossed bats, bringing sporty charm to a classic striped design.

Carter's One Piece, New Born Baby Girl, White Blue Red, Floral, Romper
Size: New Born. Good used condition.

U.S. Polo Assn. Navy White Striped Romper Short Sleeve One-Piece 18M
U.S. Polo Assn. Navy White Striped Romper Short Sleeve One-Piece 18M

Gerber Bamboo Coverall One-Piece Zip Long Sleeve Newborn lot of 3 mitten cuffs
Gerber Bamboo Coverall One-Piece Zip Long Sleeve Newborn lot of 3 mitten cuffs

Gymboree 3-6 Months Bodysuit Farm Theme
The Gymboree 3-6 Months Onsie Farm is a unisex baby and toddler one-piece designed with a farm theme. Made by the brand Gymboree, this one-piece is suitable for babies aged 3-6 months. It provides a cute and comfortable option for dressing up your little one in a playful farm-themed outfit.

Vtg Oshkosh B'Gosh Vestbak Overalls Baby Girl 3T Embroidered Ruffle USA
Size 3T good conditiom.

Old Navy Toddler Denim Bib Overall Shorts Size 18-24 months
The Old Navy Toddler Denim Bib Overall Shorts in size 18-24 months are a stylish and practical choice for your little one. Made from denim fabric, these one-piece shorts feature a classic blue color and overall style, perfect for a casual and comfortable look. With the trusted brand of Old Navy, you can be assured of the quality and durability of this cute and trendy outfit for your toddler.

Multicolor Striped Dog Vintage Cotton Overall One-Piece 3T, Sleeveless, Button
From the 1990’s. Super cute and unique No tag / size is close to a 3t-4t

purple pumpkin-embroidered toddler bubble romper
This purple pumpkin-embroidered toddler bubble romper by Southern Mumsine Kids is a cute and cozy one-piece outfit for your little one. The snap closure makes it easy to dress and undress, while the machine washable fabric ensures easy care. Perfect for casual occasions, this romper in size 18-24 months features an adorable pumpkin design, making it a fun and stylish choice for your child.

Vintage OshKosh B’gosh Lined Red White Striped Conductor Overalls Baby 12 Months
This product is a pair of vintage OshKosh B’gosh lined red and white striped conductor overalls for a baby size 12 months. Made of 100% cotton denim, these sleeveless overalls feature a square neckline and are machine washable. The classic style and striped pattern make them perfect for casual occasions in the winter, fall, or spring seasons. This one-piece outfit is designed for both boys and girls and is a timeless addition to any baby's wardrobe.

Little Me Striped Whale Seersucker Romper Blue Sleeveless 6-9 Months
Little Me Striped Whale Seersucker Romper Blue Sleeveless 6-9 Months

Baby Girl Romper 6 Piece Bundle 6–12M Simple Joys Carter’s

Nike Baby Boys French Terry Futura Coverall Baby Sz 12M Navy Blue
The Nike Baby Boys French Terry Futura Coverall in Navy Blue is a stylish and comfortable one-piece outfit for baby boys aged 9-12 months. This unisex coverall is a must-have for any baby's wardrobe.

oshkosh vintage overalls 18 months rare bugs button vest
oshkosh vintage overalls 18 months rare bugs button vest. Great condition BC8

Vintage Carter's 6-9 Months Yellow and Striped Romper Short Sleeve
The Vintage Carter's 6-9 Months Yellow and Striped Romper is a charming one-piece outfit perfect for a casual occasion. Made by the trusted brand Carter's, this short sleeve romper features a round neck and snap closure for easy dressing. The bright yellow stripes with accents of pink and green add a playful touch, while the inclusion of a pocket and snap detail adds functionality to the adorable design. With a theme of hearts and flowers, this romper is a delightful choice for any little one.

bums&roses Tiger Print Bamboo Romper Sleeveless One-Piece 6-9 Months
bums&roses Tiger Print Bamboo Romper Sleeveless One-Piece 6-9 Months

BEBE BY MINIHAHA - Size 0000 unisex baby white Bodysuit
Crafted for the tiniest of beings, this Bebe by Minihaha bodysuit is a must-have for your baby's wardrobe. In a classic white that's versatile and timeless, it's designed for unisex baby and toddler department, ensuring a perfect fit for size 0000. The one-piece is both comfy and stylish, featuring a snug fit that keeps your little one cosy and secure. The set includes one bodysuit that's made from quality fabrics, promising durability and ease of care. Ideal for everyday wear, this piece can be paired with a variety of accessories and toys, making it a practical choice for parents who value both style and convenience.

Baby FRENCH SODASize 00 Bodysuit 2013
Crafted for comfort and ease, the French Soda Size 00 bodysuit is a quintessential piece for your little one's wardrobe. Its versatile grey hue makes it an excellent choice for any casual occasion, while the one-piece design ensures your baby stays cozy and secure. This unisex bodysuit, part of the 2013 collection, is designed to fit snugly in all the right places, providing a safe and comforting fit for baby and toddler alike. As part of the Soda brand, it promises quality and durability, making it a practical addition to your child's daily attire.

90s Baby Mickey Mouse Safari Bubble Romper Sz 12m (read) Vtg Overall Plaid Blue

OshKosh B’gosh Railroad Striped Overalls Navy Blue Size 12m Baby Months Vestbak
The OshKosh B’gosh Railroad Striped Overalls in Navy Blue are a classic and stylish one-piece outfit for babies aged 12 months. Made from 100% cotton, these sleeveless overalls feature a striped pattern and adjustable straps for a comfortable fit. With a casual style and pockets for added functionality, these overalls are perfect for everyday wear in all seasons. The timeless design, featuring a nod to American and 90s themes, makes them a versatile addition to any little one's wardrobe. Easy to care for with machine washable fabric, these overalls are a must-have for parents looking for a durable and fashionable choice for their little ones.

Posh peanut solid ribbed dark red long sleeve tulle skirt bodysuit 18-24 months
They have three-snap closures for quick diaper changes, are breathable, and are made from our signature Päpook® viscose from bamboo; tulle skirt bodysuits are a favorite! • Long sleeves with tulle skirt detail.

Vintage 80s OSHKOSH Vestbak Overalls Dark Wash Denim Jean 3T Unisex Made in USA
My children wore lots of OshKosh in the 80s. (Last pic is of my OshKosh babies in 1988!). 100% denim cotton. Made in USA, 1980s.

*Nike Baby Boy Size 3-6m "Eat Sleep Dominate" Bodysuit Navy Short Sleeves
This Nike bodysuit in size 3-6 months features a solid navy blue color with short sleeves and a round neckline. It is designed for both baby boys and girls, with a snap closure for easy dressing. Made from cotton, this one-piece is perfect for casual occasions and can be machine washed for convenience.

Disney Store Vintage Winnie the Pooh 1 piece Romper 3 Months Embroidered
In good condition

Magnetic Me Baby Footie NB Pink Assorted
Magnetic Me Baby Footie NBPink Assorted. Condition is Pre-owned - Excellent. Shipped with USPS Ground Advantage.

🎀 Tres Beau et Belle Bamboo Sleeper | 6–9 Months 🎀
🎀 Tres Beau et Belle Bamboo Sleeper | 6–9 Months 🎀 Soft, sweet, and oh-so cozy—this bamboo sleeper from Tres Beau et Belle features an adorable white base with delicate pink bow print. Made from breathable bamboo fabric, it’s gentle on baby’s skin and perfect for comfy sleep and lounging. ✨ Details: • Brand: Tres Beau et Belle • Size: 6–9 months • Color: White with pink bow print • Fabric: Bamboo (super soft + breathable) • Footed sleeper style • Great condition Check out my other listings - bundle and save - make an offer!

Carhartt Shortalls Baby Bib Overalls 18 Months Green Camo Snap Crotch
The Carhartt Shortalls Baby Bib Overalls in 18 months are a stylish and comfortable option for little boys. The green camo pattern adds a fun and rugged touch, while the snap closure makes dressing and diaper changes a breeze.

Vintage OshKosh Kennel Klub Blue Corduroy Dog Overalls V Back Made in USA - 2T
In good condition

Oshkosh Denim Romper Toddler 3T Blue
Oshkosh Denim Romper Toddler 3T Blue

Gymboree girls VTG "CANDY APPLE" sz 3T...ROMPER...DENIM...2006 TAG
It is size 3T and is in EUC.no stains or flaws.

Baby Overalls 3/6 Months Liberty Brand Crisp Condition Blue Denium
This product is a vintage Liberty brand baby overall in crisp condition, made of 100% cotton denim in a solid blue color. The one-piece outfit has a snap closure, pockets, and is machine washable. Designed for casual occasions, this overall is perfect for a 6-9 months old baby, featuring a unisex style and classic overall design. There's no tag size to be found also don't have a place where one is missing my baby is 7 months old and fit in them perfectly for pictures so for sure a soild 6-9 m

Carhartt Bib Overalls Toddlers 18 Months BLUE WHITE STRIPED RAILROAD Snap On
The Carhartt Bib Overalls for toddlers in size 18 months are a stylish and practical choice for your little one. With a blue and white striped design, these one-piece overalls feature a snap closure for easy dressing.

7 For All Mankind Romper size 18 mos
The 7 For All Mankind Romper in size 18 mos is a stylish and comfortable one-piece outfit for babies. Made by the popular brand 7 For All Mankind, this romper features a classic blue color and a trendy romper style that is perfect for little ones. Ideal for both boys and girls, this unisex baby and toddler clothing item is a versatile addition to any young child's wardrobe. Perfect for everyday wear or special occasions, this romper combines fashion and functionality effortlessly.

L.L. BEAN TODDLER DENIM OVERALLS SIZE 3T
L.L. BEAN DENIM OVERALLS - SIZE 3T. EXCELLENT CONDITION.

Posh Peanut Baby Bamboo Short Sleeve Dusk Rose One Piece Romper Size 6-9 Months
Posh Peanut Baby Bamboo Short Sleeve Dusk Rose One Piece Romper -Size 6-9 Months -dusk rose limited edition watercolor floral print — pink background with pink roses and plum colors -ruffles on back 95% viscose from bamboo 5% spandex In excellent pre owned condition. Please see all photos of condition. From a smoke free home. girls girl bamboo pjs cozy trendy style stylish fall autumn stretch vibrant bright colorful long pants snaps spring summer vacation travel flower flowers

Baby Boden EUC Blue/White Stripe Embroidered Duck Cotton Knit Coverall-12-18 Mos
This listing is for a Baby Boden coverall size 12-18 Months. It is in pristine condition with no signs of wash or wear. It is 100% cotton knit in blue and white stripes with embroidered ducks on the chest. It snaps at the left shoulder and the legs. I automatically combine shipping for multiple purchases by the same buyer.

Vtg 80s 90s Offspring Playsuit Jumper Romper Girls 24M Pink Stripe Tulips Cotton

2 Harley Davidson Onsies Size 18 Mos Grandpa Rides
Black one is in excellent condition; orange is in good condition with slight pilling.