--- title: "18 month clothes — Niche Verdict: Worth a look (59/100) | Amazon United States - Flapen" canonical_url: "https://flapen.com/amazon/research/us/clothing-shoes-jewelry/18-month-clothes" last_updated: "2026-07-09T23:09:10.856Z" locale: en meta: description: "18 month clothes shows a fragmented shelf (top 5 take 18% of clicks), but a small market ($66K/yr) keeps it on the watch list." "og:description": "18 month clothes shows a fragmented shelf (top 5 take 18% of clicks), but a small market ($66K/yr) keeps it on the watch list." "og:title": "18 month clothes — Niche Verdict: Worth a look (59/100) | Amazon United States - Flapen" --- Back to Flapen home # **18 month clothes** **Worth a look****59/100 ** 18 month clothes shows a fragmented shelf (top 5 take 18% of clicks), but a small market ($66K/yr) keeps it on the watch list. **Market/yr** **$66K** **Growth (1y)** **+431.9%** **Products** **145** **Brands** **57** was 68 a year ago **Sellers** **62** **Price range** **$6.94–$26.34** **Returns** **2.6%** **Rating** **4.7★** **Worth a look** Scored 59/100 across market size, growth, competition, quality gap, and returns. Market sizeGrowthCompetitionQuality gapReturns Market size **3** ×0.30 Growth **95** ×0.30 Competition **97** ×0.20 Quality gap **25** ×0.10 Returns **79** ×0.10 ## **Demand** Weekly Amazon search volume, last 104 weeks — +431.9% year over year. 14K7KPrime Day '24Holiday '24Spike '25Prime Day '25Holiday '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26 ## **Seasonality** Monthly demand index across the year — 1.00 is average. JFMAMJJASOND Peak months: Dec · busiest ÷ quietest = 2.4× ## **Competition** - Simple Joys by Carter's10% - Amazon Essentials9% - Onesies Brand7% - Mioglrie6% - Voonlie6% - Tiny Cutey4% - Other (51 brands)58% Clicks spread well past the top 5 (18% combined) — an open shelf where new products get seen. 57 brands and 62 sellers compete here. **Brands** **57 **▼falling was 68 a year ago **Sellers** **62** **Top 5 brand share** **38%** #ProductBrandPriceRatingReviewsClick shareTrend 1 ![Onesies Brand Baby Girls 3-Pack Romper Fox 18 Months](https://m.media-amazon.com/images/I/51X8WIDNuPL.jpg) [**Onesies Brand Baby Girls 3-Pack Romper Fox 18 Months**](https://www.amazon.com/dp/B0B6ZC8RZC) Onesies Brand$22.594.8★2,2304%—flat 2 ![Voonlie Toddler Baby Girl Summer Clothes Outfits Crocheted Ruffle Camisole Pants Kids Clothing Set (Apricot 18-24 Months)](https://m.media-amazon.com/images/I/41pm4VpbYnL.jpg) [**Voonlie Toddler Baby Girl Summer Clothes Outfits Crocheted Ruffle Camisole Pants Kids Clothing Set (Apricot 18-24 Months)**](https://www.amazon.com/dp/B0F7XWR3HK) Voonlie$14.684.7★1594%▲rising 3 ![Tiny Cutey Baby Girl Clothes Infant Summer Outfits Set Ruffle Sleeve Romper and Floral Shorts with Headband (Sleeveless Purple 90 12_months)](https://m.media-amazon.com/images/I/41TKjkVYnyS.jpg) [**Tiny Cutey Baby Girl Clothes Infant Summer Outfits Set Ruffle Sleeve Romper and Floral Shorts with Headband (Sleeveless Purple 90 12_months)**](https://www.amazon.com/dp/B094J3Y34F) Tiny Cutey$15.124.7★2,0224%▲rising 4 ![Mioglrie Toddler Girl Summer Outfits 12 18 Months Baby Girl Clothes Rose Red Short Sleeve T-Shirt and Shorts Outfit with Cute Flower Clothing Set 12-18 Month](https://m.media-amazon.com/images/I/41MdfGmmFxL.jpg) [**Mioglrie Toddler Girl Summer Outfits 12 18 Months Baby Girl Clothes Rose Red Short Sleeve T-Shirt and Shorts Outfit with Cute Flower Clothing Set 12-18 Month**](https://www.amazon.com/dp/B0G4MWT7B6) Mioglrie$9.974.6★1873%—flat 5 ![18-24 Months Girl Clothes Baby Girls Dress Infant Summer Outfits Toddler Casual Ruffle Sleeve Strawberry Red Sundress with Cute Red Bag](https://m.media-amazon.com/images/I/41JqDk6gBhL.jpg) [**18-24 Months Girl Clothes Baby Girls Dress Infant Summer Outfits Toddler Casual Ruffle Sleeve Strawberry Red Sundress with Cute Red Bag**](https://www.amazon.com/dp/B0DQ7ZRBT6) Mioglrie$10.014.7★1,2823%▼falling 6 ![Gureui Toddler Baby Girl Summer Clothes 12-18 Months Gingham Top Linen Pants 2 Piece Outfits](https://m.media-amazon.com/images/I/41BU8loeShL.jpg) [**Gureui Toddler Baby Girl Summer Clothes 12-18 Months Gingham Top Linen Pants 2 Piece Outfits**](https://www.amazon.com/dp/B0GQSGND8X) Gureui$14.944.6★122%▲rising 7 ![FOCUSNORM Toddler Baby Girl Outfit Newborn Girl Summer Clothes Short Sleeve T Shirt Checkerboard Top Set Elastic Waist Shorts (Checkerboard Pink 12-18 Months)](https://m.media-amazon.com/images/I/31iL5s4ypxL.jpg) [**FOCUSNORM Toddler Baby Girl Outfit Newborn Girl Summer Clothes Short Sleeve T Shirt Checkerboard Top Set Elastic Waist Shorts (Checkerboard Pink 12-18 Months)**](https://www.amazon.com/dp/B0CR7JCVSD) FOCUSNORM$13.804.4★2522%—flat 8 ![Lucikamy Toddler Baby Girls Summer Outfit Short Sleeve Ribbed Tops + Flower Suspender Overalls Shorts Set Kids Cute Clothes (Beige Top + Flower 12-18 Months)](https://m.media-amazon.com/images/I/41balyVwW7L.jpg) [**Lucikamy Toddler Baby Girls Summer Outfit Short Sleeve Ribbed Tops + Flower Suspender Overalls Shorts Set Kids Cute Clothes (Beige Top + Flower 12-18 Months)**](https://www.amazon.com/dp/B0D3LPRB9D) Lucikamy$19.614.3★2382%—flat 9 ![fhutpw Toddler Baby Girls Summer Clothes Smocked Short Sleeve T-Shirt Tops Ruffled Plaid Short Sets Cute Outfits 2Pcs (Ice Cream Pink 18-24 Months)](https://m.media-amazon.com/images/I/41S-g+iBvFL.jpg) [**fhutpw Toddler Baby Girls Summer Clothes Smocked Short Sleeve T-Shirt Tops Ruffled Plaid Short Sets Cute Outfits 2Pcs (Ice Cream Pink 18-24 Months)**](https://www.amazon.com/dp/B0F1B6QM6X) fhutpw$14.554.5★1642%—flat 10 ![Ledy Champswiin Summer Toddler Girl Jumpsuit Shorts Little Girl Overalls Clothes Baby Jean Romper Jumpsuit One Piece Outfit (Blue 12-18 Months)](https://m.media-amazon.com/images/I/41nS6Z3wQxL.jpg) [**Ledy Champswiin Summer Toddler Girl Jumpsuit Shorts Little Girl Overalls Clothes Baby Jean Romper Jumpsuit One Piece Outfit (Blue 12-18 Months)**](https://www.amazon.com/dp/B0DT9B4HSG) Ledy Champswiin$16.394.6★3642%—flat 11 ![WZTYYDS Baby Girl First Birthday Outfit In My One Year Old Era Top Short Sleeve 1st Birthday Shirt + Casual Shorts Set (Pink 12-18 Months)](https://m.media-amazon.com/images/I/31UpKU3byHL.jpg) [**WZTYYDS Baby Girl First Birthday Outfit In My One Year Old Era Top Short Sleeve 1st Birthday Shirt + Casual Shorts Set (Pink 12-18 Months)**](https://www.amazon.com/dp/B0DRNMQM9V) WZTYYDS$14.024.7★4962%▲rising 12 ![Tsultryofs Toddler Baby Girl Summer Clothes Letter Graphic Print Short Sleeve T-Shirt Tops and Shorts 6 12 18 24M 2 3T Set (Tractor Apricot 12-18 Months)](https://m.media-amazon.com/images/I/31JQPnRBHeL.jpg) [**Tsultryofs Toddler Baby Girl Summer Clothes Letter Graphic Print Short Sleeve T-Shirt Tops and Shorts 6 12 18 24M 2 3T Set (Tractor Apricot 12-18 Months)**](https://www.amazon.com/dp/B0GVM21QHQ) Tsultryofs$14.134.2★172%▲rising 13 ![Onesies Brand Baby Girls 3-Pack Romper Rainbows 24 Months](https://m.media-amazon.com/images/I/51ewKexjxWL.jpg) [**Onesies Brand Baby Girls 3-Pack Romper Rainbows 24 Months**](https://www.amazon.com/dp/B0B6ZB6RHJ) Onesies Brand$23.154.8★2,2301%—flat 14 ![Voonlie 12-18 Months Girl Clothes Toddler Baby Girl Summer Clothes Outfits Crocheted Ruffle Camisole Pants Kids Clothing Set](https://m.media-amazon.com/images/I/41pm4VpbYnL.jpg) [**Voonlie 12-18 Months Girl Clothes Toddler Baby Girl Summer Clothes Outfits Crocheted Ruffle Camisole Pants Kids Clothing Set**](https://www.amazon.com/dp/B0F7XRR91D) Voonlie$14.754.7★1591%—flat 15 ![Kucnuzki Toddler Baby Girl Clothes Summer Outfits Ruffle Sleeveless Linen Shirt Kid Short Set for Girl (18-24 Months Yellow+Black)](https://m.media-amazon.com/images/I/51qZr1aZCIL.jpg) [**Kucnuzki Toddler Baby Girl Clothes Summer Outfits Ruffle Sleeveless Linen Shirt Kid Short Set for Girl (18-24 Months Yellow+Black)**](https://www.amazon.com/dp/B084SW36DR) Kucnuzki$13.874.6★3,5851%—flat **~~Showing 15 of 145 — show all ~~** ## **Product shelf** All 145 tracked products in this niche. Top sellersNewestTrending [![Onesies Brand Baby Girls 3-Pack Romper Fox 18 Months](https://m.media-amazon.com/images/I/51X8WIDNuPL.jpg)**Onesies Brand Baby Girls 3-Pack Romper Fox 18 Months** Onesies Brand**$22.59**4.8★2,230 reviews](https://www.amazon.com/dp/B0B6ZC8RZC) [![Voonlie Toddler Baby Girl Summer Clothes Outfits Crocheted Ruffle Camisole Pants Kids Clothing Set (Apricot 18-24 Months)](https://m.media-amazon.com/images/I/41pm4VpbYnL.jpg)**Voonlie Toddler Baby Girl Summer Clothes Outfits Crocheted Ruffle Camisole Pants Kids Clothing Set (Apricot 18-24 Months)** Voonlie**$14.68**4.7★159 reviews](https://www.amazon.com/dp/B0F7XWR3HK) [![Tiny Cutey Baby Girl Clothes Infant Summer Outfits Set Ruffle Sleeve Romper and Floral Shorts with Headband (Sleeveless Purple 90 12_months)](https://m.media-amazon.com/images/I/41TKjkVYnyS.jpg)**Tiny Cutey Baby Girl Clothes Infant Summer Outfits Set Ruffle Sleeve Romper and Floral Shorts with Headband (Sleeveless Purple 90 12_months)** Tiny Cutey**$15.12**4.7★2,022 reviews](https://www.amazon.com/dp/B094J3Y34F) [![Mioglrie Toddler Girl Summer Outfits 12 18 Months Baby Girl Clothes Rose Red Short Sleeve T-Shirt and Shorts Outfit with Cute Flower Clothing Set 12-18 Month](https://m.media-amazon.com/images/I/41MdfGmmFxL.jpg)**Mioglrie Toddler Girl Summer Outfits 12 18 Months Baby Girl Clothes Rose Red Short Sleeve T-Shirt and Shorts Outfit with Cute Flower Clothing Set 12-18 Month** Mioglrie**$9.97**4.6★187 reviews](https://www.amazon.com/dp/B0G4MWT7B6) [![18-24 Months Girl Clothes Baby Girls Dress Infant Summer Outfits Toddler Casual Ruffle Sleeve Strawberry Red Sundress with Cute Red Bag](https://m.media-amazon.com/images/I/41JqDk6gBhL.jpg)**18-24 Months Girl Clothes Baby Girls Dress Infant Summer Outfits Toddler Casual Ruffle Sleeve Strawberry Red Sundress with Cute Red Bag** Mioglrie**$10.01**4.7★1,282 reviews](https://www.amazon.com/dp/B0DQ7ZRBT6) [![Gureui Toddler Baby Girl Summer Clothes 12-18 Months Gingham Top Linen Pants 2 Piece Outfits](https://m.media-amazon.com/images/I/41BU8loeShL.jpg)**Gureui Toddler Baby Girl Summer Clothes 12-18 Months Gingham Top Linen Pants 2 Piece Outfits** Gureui**$14.94**4.6★12 reviews](https://www.amazon.com/dp/B0GQSGND8X) [![FOCUSNORM Toddler Baby Girl Outfit Newborn Girl Summer Clothes Short Sleeve T Shirt Checkerboard Top Set Elastic Waist Shorts (Checkerboard Pink 12-18 Months)](https://m.media-amazon.com/images/I/31iL5s4ypxL.jpg)**FOCUSNORM Toddler Baby Girl Outfit Newborn Girl Summer Clothes Short Sleeve T Shirt Checkerboard Top Set Elastic Waist Shorts (Checkerboard Pink 12-18 Months)** FOCUSNORM**$13.80**4.4★252 reviews](https://www.amazon.com/dp/B0CR7JCVSD) [![Lucikamy Toddler Baby Girls Summer Outfit Short Sleeve Ribbed Tops + Flower Suspender Overalls Shorts Set Kids Cute Clothes (Beige Top + Flower 12-18 Months)](https://m.media-amazon.com/images/I/41balyVwW7L.jpg)**Lucikamy Toddler Baby Girls Summer Outfit Short Sleeve Ribbed Tops + Flower Suspender Overalls Shorts Set Kids Cute Clothes (Beige Top + Flower 12-18 Months)** Lucikamy**$19.61**4.3★238 reviews](https://www.amazon.com/dp/B0D3LPRB9D) ## **Reviews** What buyers praise and complain about, mined from review topics. ### **What buyers love ** **Size-Overall**23% *“Fit is normal size”* **Quality-Overall**15% *“Good variety”* **Comfort-Overall**7% *“So comfortable”* **Soft Feel**6% *“So soft and buttery”* **Value For Money**5% *“Great value”* **Color**5% *“Color is cute”* **Material Quality**4% *“Good material”* **Advertised Vs Actual Product**3% *“Just as described”* **Ease Of Use**3% *“Easy”* **Weight Light**2% *“Super light and like that they are easy to put on”* ### **What buyers complain about ** **Size-Overall**29% *“Bigger than expected”* **Quality-Overall**9% *“Cheaply made”* **Material Quality**6% *“material looks a little cheap”* **Strap/String Quality**4% *“so the straps do slip a little”* **Ease Of Use**2% *“Inconvenient”* **Thickness**2% *“The fabric is not at all a thick”* **Hard Feel**2% *“Not soft enough to be considered as bare foot”* **Value For Money**2% *“Not worth it”* **Durability**2% *“Not durable”* **Smell**1% *“Chemical smell”* #### **Top return reasons**- Size-Overall48% - Feet Fit16% - Length11% - Material Quality6% - Quality-Overall2% - Advertised Vs Actual Product2% - Width2% - Color2% - Value For Money1% - Thin1%