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Old navy baby girl - old,
$5.50
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Pink fleece heart embossed - fleece,
$7.00
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Gerber baby 3pk long sleeve - gerber,
$5.00
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Old navy baby girl - old,
$6.00
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Old navy baby girl kiss - navy,
$4.50
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Two cat jack - girls, 9-12m
$4.00
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Pumpkin patch girls 12m - pumpkin,
$11.00
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Carter child mine purple - of,
$10.00
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Hatley girls 12m - hatley,
$15.00
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Carter girls 12m - carter's, pink/white
$3.00
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Gerber baby girls - baby, onesies
$9.00
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Carter girls 12m - girls,
$3.50
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Cat jack 18m gray - cat, &
$2.00
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Gerber baby girl - girl, 3-piece
$11.99
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Carter baby daddy - carter's, girl
$15.00
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Carters girls piece - carters,
$11.01
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Carters baby girls pack - carters,
$30.00
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Carter gerber baby girl - carter’s,
$12.99
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Carters baby one piece girl - baby,
$18.00
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Carters baby girls - baby, 5-pack
$28.00
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Carter baby girl size - carter's, 12m
$10.99
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Just one you - just, carters
$17.99
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Stephan baby girls bodysuit - stephan,
$6.00
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Onesies brand baby girls solid - brand,
$11.98
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Carter girls thin floral - carter's,
$4.75
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Carter girls long sleeve - carter's,
$12.99
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Burt bees carter - carter’s, baby
$19.99
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Carters baby girl - carters,
$13.49
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Carter baby girls - girls, 3-pc
$16.00
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Carter baby girls cute - girls,
$9.98
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Carter baby girls cute - girls,
$9.98
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Girls short sleeve bodysuit - short,
$15.00
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Gerber tan carter 12 - m, tan,carter's
$6.50
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New lot gerber baby girls - lot,
$12.79
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Baby snoopy bodysuit 12m - snoopy, 9/12m
$35.00
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Carters one piece toddler - carters,
$3.90
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Carters baby girl 12m - carters, short
$15.00
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Carter baby girl 12m - carter’s,
$8.10
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New pink knit acrylic girls - acrylic,
$45.00
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Garanimals black long sleeve - black,
$3.00
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Carter girls blue - carter's,
$3.60
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Onsies pjs lot 8 pc - pjs,
$14.00
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Carter boy girl blue - carter's,
$2.99
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Carters one piece toddler - carters,
$3.90
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Carter just one - just, my
$3.60
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Garanimals baby girl floral - baby,
$15.26
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Gerber piece baby - baby, girl
$10.99
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Carter just one you baby - one,
$7.00
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Carters girls 4pc set - carters,
$12.01
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Old navy one - navy, girl
$1.95
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Carter baby girl allover - baby,
$11.98
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Carter child mine - carter's,
$4.75
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New carter piece - new, 3
$4.90
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Garanimals baby girl white - garanimals,
$4.95
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Carters baby girls sheep - carters, print
$5.00
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Child mine carters baby - child, of
$16.99
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Carters child mine - carters, one
$3.90
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Carters baby girl - girl, bodysuit
$21.99
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Baby boden knit - baby,
$8.50
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Carter baby girl - baby,
$17.97
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Amazon essentials baby girls - amazon,
$7.00
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Gerber baby girls - gerber, 3-pack
$10.99
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The childrens place - (3),
$8.99
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Baby snoopy peanuts girls - baby,
$35.00
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Carters bodysuit girls 12m - carters,
$6.92
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Carter bodysuit baby - carter's,
$6.92
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Gerber baby girl piece - baby, 3-piece
$11.99
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Hanna andersson pink - andersson,
$6.29
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Gerber onesies bodysuits baby - gerber,
$9.99
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Lot 12m months baby - 3, 6-12m
$10.00
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Gerber onesies bodysuits baby - onesies,
$25.00
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Carter bodysuit kids - carter's,
$4.00
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Two one piece girls - piece,
$3.00
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Carters baby girl - girl's, 3-piece
$9.97
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Old navy one piece baby - one, girl
$1.95
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New carter piece butterfly - 3-piece,
$15.99
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Pack garanimals baby girl - 2,
$20.99
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Carter 12m baby girl - carter’s,
$16.00
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Carters one piece toddler - one,
$3.90
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New carters baby girl piece - baby, 3-piece
$11.95
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New carter 12m - new, baby
$11.99
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Carter 12m - carter's,
$12.00
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Cat jack girls - jack, purple
$8.00
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Carter girls you make - girls,
$2.69
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Gerber girls 12m footed - 9-12m,
$6.24
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Carters just one you - carters,
$10.36
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Piece 12m cotton - 12m,
$6.00
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Baby girl fall bodysuit - baby,
$10.00
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Gerber baby girls cute - baby, bear
$9.98
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Girls piece outfit set - 2-piece, 9-12m
$6.50
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Cat jack girls - jack, ruffle
$3.60
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Vintage looney tunes - looney, tweety
$60.00
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Carter bodysuit girls 12m - girls,
$3.59
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Carter baby girls - carter's, floral
$7.98
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Cloud island baby - cloud, 12m
$10.00
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Lot assorted cute - lot,
$17.99
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Looking for more 12m girls onesies?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 12m girls onesies listings currently in our index. Prices range from $1.95 to $60, with an average of $11.26. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about 12m girls onesies →
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Whether you are looking for a brand-new or second-hand 12m girls onesies, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at $1.95, while premium listings can reach $60 — giving you a wide budget spread to work with. The average price of $11.26 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.