--- title: "baby girl swimsuit 6-9 months — Niche Verdict: Worth a look (57/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/clothing-shoes-jewelry/baby-girl-swimsuit-6-9-months" last_updated: "2026-07-09T23:10:58.413Z" locale: en meta: description: "baby girl swimsuit 6-9 months shows a fragmented shelf (top 5 take 14% of clicks), but a small market ($146K/yr) keeps it on the watch list." "og:description": "baby girl swimsuit 6-9 months shows a fragmented shelf (top 5 take 14% of clicks), but a small market ($146K/yr) keeps it on the watch list." "og:title": "baby girl swimsuit 6-9 months — Niche Verdict: Worth a look (57/100) | Amazon United States - Flapen" --- Back to Flapen home # **baby girl swimsuit 6-9 months** **Worth a look****57/100 ** baby girl swimsuit 6-9 months shows a fragmented shelf (top 5 take 14% of clicks), but a small market ($146K/yr) keeps it on the watch list. **Market/yr** **$146K** **Growth (1y)** **+322.6%** **Products** **177** **Brands** **38** was 47 a year ago **Sellers** **49** **Price range** **$9.86–$48.42** **Returns** **4.5%** **Rating** **4.7★** **Worth a look** Scored 57/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **7** ×0.30 Growth **87** ×0.30 Competition **100** ×0.20 Quality gap **20** ×0.10 Returns **64** ×0.10 ## **Demand** Weekly Amazon search volume, last 104 weeks — +322.6% year over year. 31K16KSpike '25Black Friday '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND Peak months: Mar, Apr, May, Jun, Jul · busiest ÷ quietest = 7.2× ## **Competition** - YOUNGER TREE17% - RuffleButts12% - Renotemy10% - UMELOK9% - SODLON9% - Simple Joys by Carter's4% - Other (32 brands)40% Clicks spread well past the top 5 (14% combined) — an open shelf where new products get seen. 38 brands and 49 sellers compete here. **Brands** **38 **▼falling was 47 a year ago **Sellers** **49** **Top 5 brand share** **56%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![Infant Baby Swimsuit Girl Long Sleeve UPF 50+ Sun Protection One-Piece Rash Guard with Hat Zipper Bathing Suit (Pink Bow 3-6 Months)](https://m.media-amazon.com/images/I/41ZF7kqVtrL.jpg) [**Infant Baby Swimsuit Girl Long Sleeve UPF 50+ Sun Protection One-Piece Rash Guard with Hat Zipper Bathing Suit (Pink Bow 3-6 Months)**](https://www.amazon.com/dp/B0F32DB3XV) YOUNGER TREE$18.194.8★2944%▲rising 2 ![Infant Baby Girl Swimsuit One-Piece Long Sleeve Rash Guard with Hat Set Floral Zipper Bathing Suit Leopard Beach Wear (3-6 Months Flower#2)](https://m.media-amazon.com/images/I/51sSwG0zl6L.jpg) [**Infant Baby Girl Swimsuit One-Piece Long Sleeve Rash Guard with Hat Set Floral Zipper Bathing Suit Leopard Beach Wear (3-6 Months Flower#2)**](https://www.amazon.com/dp/B0B3D6CL5Y) YOUNGER TREE$19.804.8★9923%—flat 3 ![RuffleButts Baby Girls UPF 50+ Sun Protection Novelty Print Long Sleeve One Piece Rash Guard Swimsuit with Zipper - Orange You The Sweetest 6-12m](https://m.media-amazon.com/images/I/41sds1j17RL.jpg) [**RuffleButts Baby Girls UPF 50+ Sun Protection Novelty Print Long Sleeve One Piece Rash Guard Swimsuit with Zipper - Orange You The Sweetest 6-12m**](https://www.amazon.com/dp/B0CDCP3Y9V) RuffleButts$28.114.9★7,3213%—flat 4 ![Infant Baby Swimsuit Girl Long Sleeve UPF 50+ Sun Protection One-Piece Rash Guard with Hat Zipper Bathing Suit (Yellow Floral 0-3 Months)](https://m.media-amazon.com/images/I/41KsUtxX5SL.jpg) [**Infant Baby Swimsuit Girl Long Sleeve UPF 50+ Sun Protection One-Piece Rash Guard with Hat Zipper Bathing Suit (Yellow Floral 0-3 Months)**](https://www.amazon.com/dp/B0F32G1NS6) YOUNGER TREE$17.904.8★2942%—flat 5 ![SODLON Baby Girl Swimsuit 6-12 Months Pink Strawberry Long Sleeve One-Piece Infant Bathing Suit Girl Beach Hat Swimwear](https://m.media-amazon.com/images/I/41SUBcKaI4L.jpg) [**SODLON Baby Girl Swimsuit 6-12 Months Pink Strawberry Long Sleeve One-Piece Infant Bathing Suit Girl Beach Hat Swimwear**](https://www.amazon.com/dp/B0DR6174D2) SODLON$11.754.7★4512%—flat 6 ![RuffleButts Baby Girls UPF 50+ Sun Protection Floral Printed Long Sleeve One Piece Rash Guard Swimsuit with Zipper - Periwinkle Butterfly Garden 6-12m](https://m.media-amazon.com/images/I/41n5p-dTz0L.jpg) [**RuffleButts Baby Girls UPF 50+ Sun Protection Floral Printed Long Sleeve One Piece Rash Guard Swimsuit with Zipper - Periwinkle Butterfly Garden 6-12m**](https://www.amazon.com/dp/B0D1DGPGYX) RuffleButts$28.284.9★7,3212%—flat 7 ![UMELOK Baby Girls Swimwear Sets One Piece Rash Guard Swimsuit with Sun Hat (Pink Tropical jungle 9-12 months)](https://m.media-amazon.com/images/I/51PFnKEPTXL.jpg) [**UMELOK Baby Girls Swimwear Sets One Piece Rash Guard Swimsuit with Sun Hat (Pink Tropical jungle 9-12 months)**](https://www.amazon.com/dp/B0BNH3W7FS) UMELOK$15.944.6★7312%—flat 8 ![Infant Baby Girl Swimsuit One-Piece Long Sleeve Rash Guard with Hat Set Floral Zipper Bathing Suit Leopard Beach Wear(0-3 Months Flower#2)](https://m.media-amazon.com/images/I/51sSwG0zl6L.jpg) [**Infant Baby Girl Swimsuit One-Piece Long Sleeve Rash Guard with Hat Set Floral Zipper Bathing Suit Leopard Beach Wear(0-3 Months Flower#2)**](https://www.amazon.com/dp/B0BV9TT3TL) YOUNGER TREE$20.834.8★9922%▼falling 9 ![Baby Girl Swimsuit 3-6 Months Summer Baby Bathing Suit Girls Blue Daisy Floral Long Sleeve One-Piece Zipper Rash Guard Ruffle Swimwear with Hat Infant Swimsuit Girl 3-6 Months Beach Essentials](https://m.media-amazon.com/images/I/418gUY0FalL.jpg) [**Baby Girl Swimsuit 3-6 Months Summer Baby Bathing Suit Girls Blue Daisy Floral Long Sleeve One-Piece Zipper Rash Guard Ruffle Swimwear with Hat Infant Swimsuit Girl 3-6 Months Beach Essentials**](https://www.amazon.com/dp/B0FZKQZD5S) Yhnslsf$10.854.8★1392%—flat 10 ![SwimZip Little Girl Long Sleeve Sunsuit with UPF 50 Sun Protection Palm 0-6 Month](https://m.media-amazon.com/images/I/41Ckc+jhvQL.jpg) [**SwimZip Little Girl Long Sleeve Sunsuit with UPF 50 Sun Protection Palm 0-6 Month**](https://www.amazon.com/dp/B07CV2339T) SwimZip$43.734.6★8782%▲rising 11 ![UMELOK Baby Girls Swimsuit One Piece Full Zip with Long Sleeve UPF 50+ Sun Protection Sunsuit Pink Flower 9M](https://m.media-amazon.com/images/I/51lwvhYcvDL.jpg) [**UMELOK Baby Girls Swimsuit One Piece Full Zip with Long Sleeve UPF 50+ Sun Protection Sunsuit Pink Flower 9M**](https://www.amazon.com/dp/B0C1SC2QCK) UMELOK$18.654.8★1,2042%—flat 12 ![Renotemy Newborn Baby Swimsuit Girl One-Piece Sleeveless Bikini Tankini Baby Girls Swimwear 0-3 Month Swimsuit for Girls Rash Guard Strawberry Bathing Suit Baby Girl with Sunhat Baby Beach Essentials](https://m.media-amazon.com/images/I/41srPGDmA3L.jpg) [**Renotemy Newborn Baby Swimsuit Girl One-Piece Sleeveless Bikini Tankini Baby Girls Swimwear 0-3 Month Swimsuit for Girls Rash Guard Strawberry Bathing Suit Baby Girl with Sunhat Baby Beach Essentials**](https://www.amazon.com/dp/B0DR2XL6VX) Renotemy$14.954.6★3211%—flat 13 ![SODLON Baby Girl Swimsuit 6-12 Month Infant One-Piece Bathing Suit Cute Ruffle Cartoon Swimwear with Sunhat & Headband Summer Bow Tankini Bikini Baby Beach Essentials Blue Duck](https://m.media-amazon.com/images/I/41cy8CdnFzL.jpg) [**SODLON Baby Girl Swimsuit 6-12 Month Infant One-Piece Bathing Suit Cute Ruffle Cartoon Swimwear with Sunhat & Headband Summer Bow Tankini Bikini Baby Beach Essentials Blue Duck**](https://www.amazon.com/dp/B0FX44YPS6) SODLON$12.004.7★1551%—flat 14 ![Baby Girl Swimsuit 6-9 Months Infant Baby Girl Bathing Suit 9-12 Months Long Sleeve Blue Daisy Floral Ruffle One-Piece Zipper Baby Rash Guard Swim Suit with Hat Summer Beach Essentials](https://m.media-amazon.com/images/I/418gUY0FalL.jpg) [**Baby Girl Swimsuit 6-9 Months Infant Baby Girl Bathing Suit 9-12 Months Long Sleeve Blue Daisy Floral Ruffle One-Piece Zipper Baby Rash Guard Swim Suit with Hat Summer Beach Essentials**](https://www.amazon.com/dp/B0FZKQBVY1) Yhnslsf$9.924.8★1391%—flat 15 ![Infant Baby Swimsuit Girl Long Sleeve UPF 50+ Sun Protection One-Piece Rash Guard with Hat Zipper Bathing Suit (Pink Bow 6-12 Months)](https://m.media-amazon.com/images/I/41ZF7kqVtrL.jpg) [**Infant Baby Swimsuit Girl Long Sleeve UPF 50+ Sun Protection One-Piece Rash Guard with Hat Zipper Bathing Suit (Pink Bow 6-12 Months)**](https://www.amazon.com/dp/B0F32DG3DM) YOUNGER TREE$17.984.8★2941%—flat **~~Showing 15 of 177 — show all ~~** ## **Product shelf** All 177 tracked products in this niche. Top sellersNewestTrending [![Infant Baby Swimsuit Girl Long Sleeve UPF 50+ Sun Protection One-Piece Rash Guard with Hat Zipper Bathing Suit (Pink Bow 3-6 Months)](https://m.media-amazon.com/images/I/41ZF7kqVtrL.jpg)**Infant Baby Swimsuit Girl Long Sleeve UPF 50+ Sun Protection One-Piece Rash Guard with Hat Zipper Bathing Suit (Pink Bow 3-6 Months)** YOUNGER TREE**$18.19**4.8★294 reviews](https://www.amazon.com/dp/B0F32DB3XV) [![Infant Baby Girl Swimsuit One-Piece Long Sleeve Rash Guard with Hat Set Floral Zipper Bathing Suit Leopard Beach Wear (3-6 Months Flower#2)](https://m.media-amazon.com/images/I/51sSwG0zl6L.jpg)**Infant Baby Girl Swimsuit One-Piece Long Sleeve Rash Guard with Hat Set Floral Zipper Bathing Suit Leopard Beach Wear (3-6 Months Flower#2)** YOUNGER TREE**$19.80**4.8★992 reviews](https://www.amazon.com/dp/B0B3D6CL5Y) [![RuffleButts Baby Girls UPF 50+ Sun Protection Novelty Print Long Sleeve One Piece Rash Guard Swimsuit with Zipper - Orange You The Sweetest 6-12m](https://m.media-amazon.com/images/I/41sds1j17RL.jpg)**RuffleButts Baby Girls UPF 50+ Sun Protection Novelty Print Long Sleeve One Piece Rash Guard Swimsuit with Zipper - Orange You The Sweetest 6-12m** RuffleButts**$28.11**4.9★7,321 reviews](https://www.amazon.com/dp/B0CDCP3Y9V) [![Infant Baby Swimsuit Girl Long Sleeve UPF 50+ Sun Protection One-Piece Rash Guard with Hat Zipper Bathing Suit (Yellow Floral 0-3 Months)](https://m.media-amazon.com/images/I/41KsUtxX5SL.jpg)**Infant Baby Swimsuit Girl Long Sleeve UPF 50+ Sun Protection One-Piece Rash Guard with Hat Zipper Bathing Suit (Yellow Floral 0-3 Months)** YOUNGER TREE**$17.90**4.8★294 reviews](https://www.amazon.com/dp/B0F32G1NS6) [![SODLON Baby Girl Swimsuit 6-12 Months Pink Strawberry Long Sleeve One-Piece Infant Bathing Suit Girl Beach Hat Swimwear](https://m.media-amazon.com/images/I/41SUBcKaI4L.jpg)**SODLON Baby Girl Swimsuit 6-12 Months Pink Strawberry Long Sleeve One-Piece Infant Bathing Suit Girl Beach Hat Swimwear** SODLON**$11.75**4.7★451 reviews](https://www.amazon.com/dp/B0DR6174D2) [![RuffleButts Baby Girls UPF 50+ Sun Protection Floral Printed Long Sleeve One Piece Rash Guard Swimsuit with Zipper - Periwinkle Butterfly Garden 6-12m](https://m.media-amazon.com/images/I/41n5p-dTz0L.jpg)**RuffleButts Baby Girls UPF 50+ Sun Protection Floral Printed Long Sleeve One Piece Rash Guard Swimsuit with Zipper - Periwinkle Butterfly Garden 6-12m** RuffleButts**$28.28**4.9★7,321 reviews](https://www.amazon.com/dp/B0D1DGPGYX) [![UMELOK Baby Girls Swimwear Sets One Piece Rash Guard Swimsuit with Sun Hat (Pink Tropical jungle 9-12 months)](https://m.media-amazon.com/images/I/51PFnKEPTXL.jpg)**UMELOK Baby Girls Swimwear Sets One Piece Rash Guard Swimsuit with Sun Hat (Pink Tropical jungle 9-12 months)** UMELOK**$15.94**4.6★731 reviews](https://www.amazon.com/dp/B0BNH3W7FS) [![Infant Baby Girl Swimsuit One-Piece Long Sleeve Rash Guard with Hat Set Floral Zipper Bathing Suit Leopard Beach Wear(0-3 Months Flower#2)](https://m.media-amazon.com/images/I/51sSwG0zl6L.jpg)**Infant Baby Girl Swimsuit One-Piece Long Sleeve Rash Guard with Hat Set Floral Zipper Bathing Suit Leopard Beach Wear(0-3 Months Flower#2)** YOUNGER TREE**$20.83**4.8★992 reviews](https://www.amazon.com/dp/B0BV9TT3TL) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Size-Overall**27% *“Fit is accurate”* **Quality-Overall**17% *“Good quality”* **Material Quality**8% *“The material is really nice; soft, good quality, and comfortable for my baby”* **Color**7% *“The colors are vibrant”* **Stretchability/Expandability/Elasticity**5% *“it stretches great”* **Value For Money**4% *“Great value for money”* **Soft Feel**3% *“Material is soft”* **Ease Of Use**2% *“Plus its super convenient”* **Water Resistance**2% *“Great for swimming and summer days”* **Design-Overall**2% *“The design is cute”* ### **What buyers complain about ** **Size-Overall**43% *“Fits small”* **Zipper Quality**6% *“Dumb zipper placement”* **Quality-Overall**5% *“Poor quality”* **Durability**5% *“Broke before use”* **Value For Money**3% *“This bathing suit is too expensive to leave her skin pink”* **Sleeve Fit**3% *“The sleeves are little long on her though”* **Material Quality**2% *“Bad material”* **Smell**2% *“It took two washes to get the smell out”* **Machine Wash Suitability**2% *“It took two washes to get the smell out”* **Stretchability/Expandability/Elasticity**1% *“the elastic on the hat”* #### **Top return reasons**- Size-Overall74% - Length8% - Advertised Vs Actual Product2% - Value For Money2% - Material Quality2% - Color2% - Chest Fit2% - Waist Fit1% - Hip Fit1% - Zipper Quality1%