Best Adjustable Strap Girls One Piece Swimwear in 2026

💝【STRETCH & BREATHABLE】Made by 85% Polyester & 15% Spandex, girls bathing suits is stretch and quick dry. The swimsuit front is lined by soft and breathable fabric, cozy and not see-through. Perform well during kids swimming, water play and other water activities

💝【EYE-CATCHING SWIMSUIT FOR GIRLS】Unicorn swimsuit features in unique unicorn pattern and vibrant colors, super cute and easy to spot among the crowds. Ruffled shoulders and pompom skirt add more cutiness to little kids. Perfect for vacation, beach days, themed party and photography, great gift for your little lady.

💝【PREMIUM QUALITY DETAILS】Adjustable shoulder strap fits different body shapes, appropriate tailoring on the butt offers adequate coverage for kids, enhanced shoulder strap sewing make girls bathing suit durable for use. Let kids enjoy their happy time!

【Material】: girls swimwear is made of high quality polyester & elastic spandex, comfortable and breathable for kid's delicate skin; lightweight fabric is stretchy, soft, quick drying, great for beach and swim.

【 Unique Design】: adjustable ruffle shoulder strap on back, elegant and easy to wear for your girls. The bathing suit is flounce skirt design with adorable pompoms. The beachwear's bottom with soft lining, safe and comfortable for little girls.

【Cute Pattern】: girls one-piece swimsuit with bright unicorn pattern, high quality printing technology is beautiful and not easy to fade, ideal gift for your girls in summer.

Scoop-neck front and deeper back

Ruffled straps/neckline; moderate cut legs

Quick-dry & UPF 50 protection

MATERIAL:Nylon:82%; Spandex:18%, The High Quality Material Keep The Vibrant Color Steady

Design: Perfect for Swimming Training Course in Swimming Pool or Beach Visit. or Functional Pretty Floral Adjustable Swimsuit. Adjustable one shoulder straps and Adjustable straps on Two Thigh Sides Offer Enough Space for A Growing Princess. It can also be functional use. Soft fabric for kids’ sensitive skin and durable for long time usage. Best choice for swimming lesson or beach pla

PATTERN: Pretty patterns include: hydrangea

Material: Nylon & Spandex. The material is quick-drying and comfortable,elastic and skin friendly.

Features: Classic one piece swimsuit, sweet ruffle flounce design, makes your child look more lovely, adjustable cross strap swimsuit, providing enough space for your child to grow up.

Cute Pattern: Bright colorful bathing suit for girls, there are a lot of Hawaiian floral patterns, such as mermaid, unicorn, pineapple, leopard print, galaxy, fish scales. Put on our swimsuits, enjoy the summer, enjoy the beach, enjoy the sunshine!

Kids Harry Potter Swimsuit

A magical black swimsuit that showcases the iconic Harry Potter logo with a snitch

Complete with gold glittery details that will ensure a charming time at beach or the pool

👙 Ruffle Swimsuit: Cute Skirt Princess swimwear, proper coverage bathing suit perfect for girls happy summer

👙 Adjustable Straps: function Lace-up, new style swimsuit, to suit for every child's growth

👙 UPF 50+ Swimsuit: Built in UPF 50+ sun protection, which will be block more than 98% of the sun's harmful UV radiation

SIZE: Cute Swimsuits for Girls 3-10 Years Old, Proper Coverage Bathing Suit Perfect for Girls IN This Happy Summer.

QUALITY: One Piece Girls Rash Guard's Fabrics are Soft Polyamide And Elastane, Which has Great Elasticity and Durability.

DESIGN: Girls Sunsuit with Cute Ruffle Tulle Skirt, Adjustable Shoulder Strap, 3D Printed, No Fade.

🍋STYLE:lemon topic with international fashionable trendy, two layers ruffle, adjustable one shoulder strap makes the whole swimsuit fashionable and pretty;ties on the side legs to make sure the legs are adjustable, wonderful choice for beach fun and swimming lessons;

🍋COLOR: 3 colors for ruffle choice: orange, yellow, water melon red

🍋SIZE: (Note: watermelon red 14 size run a little big) 6 sizes for choice: 6, 8, 10,12,14,16, please see the details in description part .Size 6(XS):Bust:22.8in;Waist:21.2 in;Hip:26 in; 5-7y Size 8(S): Bust:24.4in;Waist:22.8 in;Hip:27.6 in;7-8 y; Size 10(M): Bust:26 in;Waist:24.4 in;Hip:29.1 in; 8-10y; Size 12(L): Bust:27.6 in;Waist:26 in;Hip:30.7 in; 10-12y; Size 14(XL): Bust:29.1 in;Waist:27.6 in;Hip:32.3 in; 12-14 y; Size 16(XXL): Bust:30.6 in;Bust:30.6 in;Waist:29.2 in;Hip:33.9in;14-16y

❀【Material】ICOSY girls swimsuit is made of 85% Polyester & 15% Spandex, skin-friendly for little girl’s skin. Breathable and stretchy fabric offer girls a comfortable feeling in this summer.

❀【Cute Unicorn Swimsuits】Printed with lovely unicorn patterns, our cute girls bathing suits will be loved by little baby girl, no shrinking or color fading.

❀【Adjustable Shoulder Strap & Ruffle Hemlines】Our kids swimsuits matches ruffled hemlines with safe lining, designed with adjustable length shoulder strap and lovely pompoms, ideal bathing suits for girls 4-9 Years.

Two ways to wear: This suspender swimsuit with adjustable shoulder straps,the shoulder straps are interchangeable. You can do cross or vertical.

Material: These novelty girls one-piece swimsuits are made of nylon and spandex fabrics,soft,breathable,quick dry and friendly to the skin.

3D Printed: We have many kinds of cute patterns of girl beachwear bathing suit. Such as mermaid,leopard,cat,rainbow,galaxy and so on.

High quality UPF 50+ nylon tricot

Lined front & back

Available in sizes 2 through 14

Girls Tankini Set: Mermaid, flamingo,pineapple,unicron, leopard, watermelon etc, girls favorite hawaii style.

Adjustable Strap: Adjustable bathing suit more convenient, do not worry about the strap will too loose in swimming pool.

Material: Quick dry fabric with UPF 50+ for sun protection, kids will not be afraid of sunburn on beach, enjoy summer vacation though.

MATERIAL: Girls one piece bathing suits is made of polyester. The fabric of the girls swimsuits is tender and soft for the kids' skin.

CUTE PATTERN: 3d print of girl's bathing suit catch eyes, such as mermaid swimsuits, fish scale bathing suits, unicorn cat swimwear, galaxy swimsuits, rainbow unicorn bathing suit, dinosaur swimsuit for girls and so on.

WATER SPORT: This girls swimwear is perfect for all the water party, swim team, gym swimming unit, beach sport, Hawaiian vacation, swimming pool.The Little girl's swimwear is a good choice for summer.

✔ COMFORTABLE MATERIAL - AIDEAONE one-piece swimsuit are made of soft and lightweight fabric, quick drying and colorfast.

✔ 2 WAYS TO WEAR - Adjustable shoulder straps for this bathing suit, and it has 2 ways to wear, fashion and easy for kids to wear and take off.

✔ CUTE PATTERNS - Kinds of 3D printed graphic for you to choose, like Mermaid, Unicorn, Cat, Dinosaur, Galaxy, Leopard and so on. Give your princess a happy gift, let them enjoy the fun of swimming.

Material: Nylon & Spandex. Quick-drying and Breathable

Unique 3D print:The bathing suit have two ways to wear; Adjustable shoulder strap; All over print for girls swimsuit,like rainbow,unicorn,dinosaur,mermaid,galaxy sky and so on.

Little girls bathing suit great for swimming, beach, surfing, pool party,beachwear,vacation.

Nike Swim Girls' Essential Racerback One Piece Black MD (10-12 Big Kids) / Black

EXCELLENT GIRLS MERMAID SWIMSUITS: Made of great smoothy materials, our girls one piece swimsuits' elasticity is enough for perfect fit, They maintain the features of quick dry, skin-friendly, breathable and comfortable. Soft to wear and easy to clean.

BRAVO GIRLS MERMAID BATHING SUITS FEATURES: Classical slim cut girls one piece bathing suit with X style adjustable straps at back, pretty secure and comfortable. Elegant founce details at chest, making your girls more modest and chic.

FINE MADE GIRLS ONE PIECE MERMAID SWIMSUITS: These one piece mermaid bathing suit for girls are well stitched with flat seams at all edges and straps. Supportive and superior elasticity for smooth touch, durable and comfortable to wear.

💝【COZY GIRLS SWIMSUITS】Made by quality polyamide (85% polyester and 15% spandex), girl swimsuits is durable, lightweight, elastic and quick dry. The swimsuit front is lined by soft and breathable fabric, cozy and not see-through. Perform well during swimming, water play and other water activities.

💝【UNIQUE TIERED STYLE】Girls one piece swimsuit feature in tiered front, offers flattering look and perfect coverage around the tummy. Vibrant floral patterns are stylish and long lasting, perfect for girls' family pool party, beach walking, tropical vacation and other occasions.

💝【PREMIUM QUALITY DETAILS】Adjustable shoulder strap fits different body shapes, appropriate tailoring on the butt offers adequate coverage for kids, enhanced shoulder strap sewing make girl bathing suit durable for use. Let's enjoy the happy summer time!

The adorable high-quality girl's Swimsuit is made of 82% polyester & 18% spandex, Which makes it buttery soft, and quick dry. Comfortable and breathable lightweight skin-friendly but not see-through. Price is fair, cold water washed or machine wash.

The patterns are cute and adorable, the colors are bright and vivid! Benefit from sparkly pattern leotard makes your girls more stylish and high-end to wear, look bling-bling.

Adjustable shoulder strap swimwear with leg opening for more freedom.

85% Terylene 15% Spandex 100% Polyester, High elastic, Soft and Skin-friendly for Child, Breathable and Quick Dry,It's feel very smooth and comfortable,Suitable for your children to wear in Season.

Standard size: Suitable for girls from 18M(85CM) to 6 years(110CM) of old, Please choose the size according to our size chart.

Bright colorful bathing suit for girls,Adjustable shoulder strap,Unicorn pattern and fashionable design style.Dress our beautiful casual swimsuit for baby girls,enjoy the summer,enjoy the beach,enjoy life!

GIRLS' DESIGNER SWIMWEAR — We love the stretchability of the smocked bodice on this suit from Hobie Girls. Not only does it provide a comfortable fit, it also stays perfectly in place.

FRESH FIT & FEATURES — You get a tailor-made fit that's all about you, with over-the-shoulder straps and full coverage in back for a comfortable fit.

SMOCKING SMARTS — Gently gathered smocking stretches in all the right places while staying in place.

Girls one-shoulder bikini swimsuits, Ruffled flounce bikini top, adjustable strap, flutter bottom.

Bright and vivid 4th July USA Flag Pattern design giving her a standout look.

Made with stretch for easy movement and comfortable wear, soft and skin-friendly fabric for a growing kids.

【Features】One shoulder bikini swimsuits for girls, Ruffled flounce bikini top, one-shoulder adjustable strap, cute bottom, high elastic fabric

【NOVELTY】 The two-piece bikini swimsuit for girls has bright and vivid colors, mermaid/flamingo/floral Pattern design giving her a standout look

【Material】 Made with stretch for easy movement and comfortable wear, soft and skin-friendly fabric for a growing kids

Rainbow mermaid swimsuits for girls 10 12, adjustable straps, high elastic, soft and skin-friendly fabric for a growing child

Bright fish scale foil prints ensure it stands out both in and out of the water

UPF 50+ sun protection, protect your girl's skin from the hot weather

Purple sports athletic one-piece swimsuits feature a racerback and wide shoulder straps, along with a soft wire-free padded bra for excellent support and shape.

Sporty and sexy design with criss cross straps at the back, underbust elasticated seam. This tummy control one piece swimsuit is easy to put on and save wearing tie-in problems.

This active swimsuit for women is made of high-quality soft material with excellent elasticity for a perfect fit. It is skin-friendly, breathable, comfortable, and easy to clean and stain-resistant.

A center cut-out adds interest to this one-piece swimsuit by Calvin Klein Jeans featuring colorblock design for bold beach style.

Spaghetti straps, square neckline

Cut-out middle covers belly button

Girls one-piece swimsuit are made of soft and lightweight fabric, quick drying and colorfast.

Stylish and cute design，adjustable shoulder strap，and easy for kids to wear and take off.

Easy care，hand and machine washable

🐳 UNIQUE DESIGN: A large colorful unicorn on the front of the swimsuit, surrounded by stars, with rainbow pattern on the back. This unicorn one piece swimsuit will make your little princess the center of attention!

🐟 ELASTIC AND QUICK DRY: This girls bathing suit is made of 82% polyester and 18% spandex, breathable, quick dry and more skin-friendly. High elastic spandex will make girls comfortable.

🐬 ADJUSTABLE STRAPS: This one-piece swimwear with two adjustable shoulder straps. Length can be adjusted according to needs. The shoulder straps on the back are fixed to prevent falling off.

UPF 50+ protection built in

Made of soft fabric

One piece swimsuit