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- Vintage Kmart Girls Size 12 2-piece Swimsuit Bathing Suit Bikini Floral 80s C3Opens in a new window or tabPre-Owned$29.99or Best Offer+$4.84 delivery
- Crewcuts By J.Crew Cutout One Piece Bathing Swimsuit - Gingham - Sz 12 - EUCOpens in a new window or tabPre-Owned$25.00Buy It Now+$4.84 delivery
- Hurley Girls' Tankini 2-Piece Swimsuit, Pale Ivory/Multi Stripe, Size 12Opens in a new window or tabBrand New$11.31Was: $16.1630% offBuy It NowFree deliveryFree returnsTop Rated Plus
- Speedo Girls Size 12 Racerback Sport One Piece Swimsuit NewOpens in a new window or tabNew (Other)$15.00or Best Offer+$4.71 delivery
- Speedo Girls Size 12 Racerback Sport One Piece Swimsuit Dark Peri New With TagsOpens in a new window or tabBrand New$13.99Was: $19.9930% offor Best Offer+$6.10 delivery
- Shein girls 10-11yrs 12-13yrs 1pc swimsuit frill trim cutout middle front pastelOpens in a new window or tabBrand New$15.50Buy It NowFree delivery
- Hurley Youth Girl's Long Sleeve UPF 50+ Turquoise Waves Swim Top Size 10/12Opens in a new window or tabNew (Other)$11.99or Best OfferFree delivery
- The Girls Gap Kids Size XL 12 One Piece Swimsuit Green Striped Extra LargeOpens in a new window or tabPre-Owned$15.54or Best OfferFree deliveryFree returnsTop Rated Plus
- Girls Two Piece Swimsuit Bikini Animal Print Bright colors Size large 10/12Opens in a new window or tabPre-Owned$7.98Was: $9.9720% offor Best Offer+$4.71 delivery
- Speedo Swimsuit Two Piece Tankini Set Girls 12 Blue Mesh Swimwear UVP NWTOpens in a new window or tabBrand New$25.00or Best Offer+$5.99 deliveryFree returnsExtra 10% off with couponTop Rated Plus
- Patagonia Girls Swim Rash Guard L-12 Tropical Leaves Pink Long Sleeve Hooded TopOpens in a new window or tabPre-Owned$29.99Buy It Now+$6.57 deliveryExtra 10% off with coupon
- Girls Swimwear Size 12 Breaking Waves Tankini Set Speedo Top Lands End Skirt LotOpens in a new window or tabPre-Owned$24.37or Best OfferFree deliveryFree returnsTop Rated Plus
- Habitual Kids One Piece Plaid Bubble Sleeve Swimsuit Girls' 12 Navy Square NeckOpens in a new window or tabBrand New$14.60or Best Offer+$5.95 deliveryFree returnsTop Rated Plus
- BREAKING WAVES Floral Swimsuit Top Girls' 12 Multicolor Ruched Side Tie PulloverOpens in a new window or tabBrand New$9.17or Best Offer+$5.95 deliveryFree returnsTop Rated Plus
- girl swim Geo Hearts Floral 2pc Tankini swimsuit sizes 4 5 6 10 12 Angel BeachOpens in a new window or tabBrand New$15.49Buy It NowFree delivery in 2-3 days
- Tween girls 12yrs 2pc bikini swimsuit white candy print top solid pink bottomOpens in a new window or tabBrand New$17.00Buy It NowFree deliveryFree returnsTop Rated Plus
- Bluey Girls 11 12 Water Shoes Swim Sandals Bingo Dog Disney Summer Lake RiverOpens in a new window or tabNew (Other)$11.95or Best Offer+$6.95 deliveryExtra 30% off with coupon
- Shein tween girls 3pc bikini swimsuit & coverup tee heart print solid black topOpens in a new window or tabBrand New$21.00Buy It NowFree delivery
- Shein tween girls 1pc swimsuit neon beauty graphic crisscross back pink nip 80sOpens in a new window or tabBrand New$18.00Buy It NowFree deliveryFree returnsTop Rated Plus
- Shein girls 12yrs 1pc swimsuit colorblock cutout blue/pink/yellow nip tween 80sOpens in a new window or tabBrand New$15.00Buy It NowFree deliveryFree returnsTop Rated Plus
- Shein girls 12-13yrs 2pc bikini swimsuit unicorn print pastel rainbow nip kawaiiOpens in a new window or tabNew (Other)$16.50Buy It NowFree deliveryFree returnsTop Rated Plus
- Hurley Girl UPF Rashguard Bikini Top & Bottoms 3PC Swim Set Blue/Pink SZ 12 NWTOpens in a new window or tabBrand New$29.00Buy It Now+$7.35 delivery
- Hurley Girls' High Waisted Bikini 2-Piece Swimsuit Teversi Sz 12 NWTOpens in a new window or tabBrand New$16.00Buy It Now+$8.00 deliveryLast one
- Milumia girls Modern Swimsuit One Piece 12-13Y BlackOpens in a new window or tabNew (Other)$8.49or Best Offer+$4.71 delivery
- Crewcuts Swim Shirt Rashguard Kid Made Modern Size 12-Longsleeved-Surf-Blue RedOpens in a new window or tabPre-Owned$18.00or Best Offer+$5.99 delivery
- Kanu Surf Girls SIZE 12 Girls Tie Dyed 2 Piece Swimsuit, MSRP $39 NWT BandeauOpens in a new window or tabBrand New$26.50or Best Offer+$4.71 delivery
- Pepita & Me Girls Bubble One Piece Swimsuit, Bye Bye Kiddo Sz 12Opens in a new window or tabPre-Owned$30.00or Best Offer+$4.84 delivery
- Bluey Girls 11 12 Water Shoes Swim Sandals Bingo Dog Disney New!Opens in a new window or tabBrand New$11.95or Best Offer+$4.71 delivery
- Girl's Stretch Elastic Waist Pull-On Swimwear Swim Skirt Pink Size 12Opens in a new window or tabPre-Owned$9.00Buy It Now+$5.31 delivery
- Splendid Girls' Brighter HI Neck Bra Set, Multicolor, 12Opens in a new window or tabBrand New$13.60or Best Offer+$5.85 delivery
- NWT KALAWALK SWIMSUIT Girls Sz 12 Lemon Double Ruffle One Shoulder AdjustableOpens in a new window or tabBrand New$11.95Buy It Now+$3.99 delivery
- Shein girls 12-13yrs 2pc bikini swimsuit neon ombre high leg cut nip kawaii 80'sOpens in a new window or tabNew (Other)$17.50Buy It NowFree deliveryFree returnsTop Rated Plus
- Shein girls 12yrs 2pc bikini swimsuit contrast trim halter triangle high waistOpens in a new window or tabBrand New$14.00Buy It NowFree delivery
- Hurley 2-Piece Tri-Cutout Tankini Swim Set Kid 12 Blue Floral Halter Neck PLW244Opens in a new window or tabBrand New$45.00Buy It NowFree delivery
- Hurley One-Piece Swimsuit Aurora Green Tie Dye Girl's Size 10/12Opens in a new window or tabPre-Owned$7.99Buy It Now+$6.40 delivery
- Girls Justice Size 12 Swim 2 Piece Suit Bikini Bathing Suit Multicolor SequinOpens in a new window or tabPre-Owned$12.00Buy It Now+$6.55 delivery
- $198 Seafolly Kid Girl Blue Pink Floral Scoop-Neck Stretch One-Piece Swimsuit 12Opens in a new window or tabBrand New$17.48Was: $49.9565% offor Best Offer+$9.99 delivery
- Seafolly Girls' 174302 Big 80s Tank One Piece Swimsuit Size 12Opens in a new window or tabBrand New$45.50List price: $79.9943% offor Best Offer+$3.60 deliveryFree returnsTop Rated Plus
- Splendid Girls' Brighter HI Neck Bra Set, Multicolor, 12Opens in a new window or tabBrand New$13.60Was: $17.0020% offor Best Offer+$8.71 delivery
- Kids Retro Neon Paint Glow Party Swimsuit #1 - Baby Girl Teens Bathing Suit 80sOpens in a new window or tabBrand New$40.50Was: $45.0010% offBuy It NowFree delivery
- Crewcuts J.Crew Blue Navy Striped Anchor One Piece Bathing Swimsuit 12 ZaraOpens in a new window or tabPre-Owned$15.00Buy It Now+$7.35 delivery
- Stranger Things 3 Eleven 11 RETRO 80s All-Over Youth Swimsuit - LIMITED EDITIONOpens in a new window or tabBrand New$39.50Buy It Now+$3.99 delivery
- 90s 80s Retro 3D Colorful Ocean Waves Wavy All-Over Print Youth SwimsuitOpens in a new window or tabBrand New$34.99Buy It Now+$4.69 delivery
- ZeroXposur Girl’s Colorful Floral Two-Piece Bikini Swimsuit Set Size 10/12Opens in a new window or tabPre-Owned$25.00or Best Offer+$5.62 delivery
- Seafolly Girls Tropical Vibes 80s Tank One-Piece Swimsuit, Red/White, Girls 12Opens in a new window or tabBrand New$30.89or Best OfferFree delivery
- Bluey Girls 11 12 Water Shoes Swim Sandals Bingo Dog Disney Summer Lake RiverOpens in a new window or tabBrand New$14.95or Best Offer+$6.95 deliveryExtra 30% off with coupon
- Splendid Girls' Brighter HI Neck Bra Set, Multicolor, 12Opens in a new window or tabBrand New$13.60or Best Offer+$5.85 delivery
