---
title: "Potty Training Underwear for Girls — $1.8M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/potty-training-underwear-for-girls"
last_updated: "2026-08-11T11:49:12.176Z"
locale: en
meta:
description: "Niche score 62/100 · $1.8M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 62/100 · $1.8M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Potty Training Underwear for Girls — $1.8M/yr Amazon US Niche (2026) - Flapen"
---
# **potty training underwear for girls**
**Worth a look**
Shows a sweet-spot price point ($23.03 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 92Growth 21Conversion 22Competition 91Returns 72Price range 83Avg price 95Brand share 62Review moat 24Quality gap 53
**Avg price**
**Incredible****$23.03**
avg listing price — sweet spot $15–$100
**Market size**
**Great****$1.8M**
$1.8M/yr · 4.5M searches
**Competition**
**Great****24%**
top-5 click share — an open shelf
**Price range**
**Great****$11.11–$37.80**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Good****2.1%**
return rate — above 5% kills the launch gate
**Brand share**
**Good****68%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****6,074.89**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Bad****1.8%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Bad****-8.1%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, potty training underwear for girls is a $1.8M/yr Amazon United States market (4.5M searches/yr). The top 5 brands hold 68% of demand. Verdict: Worth a look — 62/100.
Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **potty training underwear for girls market data**
- **Units sold / yr**
- **80K–100K**
- avg 1,250–1,500/product
- **Revenue / yr**
- **$1.8M–$2.3M**
- units × avg price
- **Conversion rate**
- **1.8%**
- **Avg BSR**
- **#40**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **78%**
- **Out of stock**
- **3.3%**
- **Avg brand age**
- **50 months**
- **Avg seller age**
- **143 days**
## **Competition & brand share**
Clicks spread well past the top 5 (24% combined) — an open shelf where new products get seen.
**Brands**
**20 **—flat
**Sellers**
**23**
**Top-5 brand share**
**68%**
Top 20: 100%
**Top-5 click share**
**24%**
Top 20: 51%
**Open market**
**25%**
- Hanes21% - MooMoo Baby21% - BliBliTaTa9% - Boboking9% - YIKG8% - BIG ELEPHANT7%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -8.1% search growth over the last 90 days.
100K60KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.4×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/potty-training-underwear-for-girls/trend)
## **Top potty training underwear for girls search terms**
- **potty training underwear**1.4M/yr-3.0%1.6% conv. - **training underwear for boys**283K/yr+65.3%1.5% conv. - **training underwear for girls**236K/yr+88.8%1.5% conv. - **upairy training pants**329K/yr-34.3%0.7% conv. - **potty training underwear for boys**230K/yr-11.4%0.9% conv. - **toddler training underwear girls**202K/yr-10.9%1.6% conv. - **potty training underwear for girls**203K/yr-29.0%1.3% conv. - **toddler training underwear boys**162K/yr-2.1%1.7% conv. - **training pants**175K/yr-7.2%0.2% conv. - **upairy training pants for boys**154K/yr-35.3%0.5% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/potty-training-underwear-for-girls/search-terms)
## **Top potty training underwear for girls products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%3%$55K6%$110K9%$165K12%$220K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**MooMoo Baby 8 Packs Potty Training Pants Cotton Absorbent Training Underwear for Toddler Baby Boy 3T**MooMoo Baby**$31.32**4.5★17,365 rev](https://www.amazon.com/dp/B08W3B956F) [2**Hanes Girls Toddler Potty Trainer Briefs 6-pack Underwear Assorted 2-3 US**Hanes**$11.71**4.7★4,327 rev](https://www.amazon.com/dp/B0BHX76DF8) [3**MooMoo Baby 8 Packs Potty Training Pants Cotton Absorbent Training Underwear for Toddler Baby Gir 3T**MooMoo Baby**$31.31**4.5★17,365 rev](https://www.amazon.com/dp/B08W3D86QV) [4**Boboking Toddler Boys Trainer Underwear Little Kids Boy Boxer Briefs 5T**Boboking**$27.15**4.3★438 rev](https://www.amazon.com/dp/B0DLB5J8JS) [5**BliBliTaTa Boys Training Underwear Pants 4-Pack Toilet Potty Underpants Cotton Absorbent Padded Reusable Leak Resistant Feel Wet For Toddler Baby 2t 3t Dinosaur**BliBliTaTa**$15.43**4.3★175 rev](https://www.amazon.com/dp/B0FT2WKVQP)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Amazon Essentials Unisex Toddlers Cotton Training Underwear Pack of 4 Cars / Trucks 3T**Amazon Essentials**$13.72**58 rev1mo ago](https://www.amazon.com/dp/B0FVLH9KWG) [**Upairy Potty Training Pants Cotton Absorbent Training Underwear for Toddler Boy and Girls 2T-5T Soft Absorbent & Leak-Proof with Characters(4PCS S)**YIKG**$23.79**42 rev2mo ago](https://www.amazon.com/dp/B0GY15NKV3) [**Upairy Training Pants for Boys Girls Toddler Potty Training Underwear Leakproof Reusable Kid Confident Panties Childrens Potty Underwear 100% Cotton for 2T-6T(8PCS L)**YIKG**$37.56**50 rev5mo ago](https://www.amazon.com/dp/B0GM9T452Y) [**BliBliTaTa Girls Potty Training Underwear Toilet Potty Underpants Cotton Absorbent Leak-resistant Feel Wet 4 Pack For Toddler Baby 2t 3t Flower Daisy**BliBliTaTa**$14.87**173 rev5mo ago](https://www.amazon.com/dp/B0GKZSPDDG) [**BliBliTaTa Boys Training Underwear Pants 4 Pack Toilet Potty Underpants Cotton Absorbent Padded Reusable Leak Resistant Feel Wet For Toddler Baby 2t 3t Dinosaur**BliBliTaTa**$18.80**68 rev5mo ago](https://www.amazon.com/dp/B0GJ6D7W9H)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Upairy Training Pants for Boys Girls Toddler Potty Training Underwear Leakproof Reusable Kid Confident Panties Childrens Potty Underwear 100% Cotton for 2T-6T(8PCS L)**YIKG**$37.56**4.0★**▲ 68%**](https://www.amazon.com/dp/B0GM9T452Y) [**Upairy Potty Training Pants Cotton Absorbent Training Underwear for Toddler Boy and Girls 2T-5T Soft Absorbent & Leak-Proof with Characters(4PCS S)**YIKG**$23.79**4.0★**▲ 68%**](https://www.amazon.com/dp/B0GY15NKV3) [**BliBliTaTa Boys Training Underwear Pants 4 Pack Toilet Potty Underpants Cotton Absorbent Padded Reusable Leak Resistant Feel Wet For Toddler Baby 2t 3t Dinosaur**BliBliTaTa**$18.80**4.3★**▲ 68%**](https://www.amazon.com/dp/B0GJ6D7W9H) [**Amazon Essentials Unisex Toddlers Cotton Training Underwear Pack of 4 Cars / Trucks 3T**Amazon Essentials**$13.72**4.5★**▲ 68%**](https://www.amazon.com/dp/B0FVLH9KWG) [**BliBliTaTa Boys Training Underwear Pants 4-Pack Toilet Potty Underpants Cotton Absorbent Padded Reusable Leak Resistant Feel Wet For Toddler Baby 2t 3t Excavator**BliBliTaTa**$18.84**4.3★**▲ 67%**](https://www.amazon.com/dp/B0GJ5Y3Q1M)
**~~View all trending →~~**
## **What buyers say about potty training underwear for girls**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**16%
*“not too tight”*
**Quality-Overall**12%
*“These are well made adorable”*
**Comfort-Overall**8%
*“they are very comfortable”*
**Exercise/Sports Suitability**8%
*“Overall, these are a practical option for helping toddlers transition from diapers to regular underwear during potty training”*
**Soft Feel**6%
*“Material is soft”*
**Absorbency**5%
*“Absorbent layer protects against leaks”*
**Design-Overall**3%
*“Cute designs”*
**Advertised Vs Actual Product**3%
*“Looks just like pictures”*
**Thickness**3%
*“I love the extra thickness”*
**Color**3%
*“Cute colors”*
### **What buyers complain about **
**Size-Overall**16%
*“Way to tight”*
**Absorbency**16%
*“NOT ABSORBENT”*
**Water Resistance**6%
*“immediately wet right through the underwear”*
**Advertised Vs Actual Product**3%
*“Not as advertised”*
**Material Quality**3%
*“These things are 100% polyester and NOT breathable”*
**Thickness**3%
*“Thick”*
**Leak-Proof**3%
*“Not Leak proof”*
**Thigh Fit**2%
*“The thigh opening is too tight”*
**Value For Money**2%
*“Waste of money”*
**Stretchability/Expandability/Elasticity**2%
*“No elasticity to them”*
### **Top return reasons **
**Size-Overall**59%
**Thigh Fit**8%
**Waist Fit**7%
**Material Quality**5%
**Advertised Vs Actual Product**4%
**Absorbency**2%
**Value For Money**2%
**Length**1%
**Cushion**1%
**Functionality-Overall**1%
## **Common questions**
- **Is potty training underwear for girls profitable to sell on Amazon United States?**
- The niche generates $1.8M/yr across 83 tracked products. 12 of 25 products launched in the last 360 days are still selling. 90-day search growth is -8.1%. Flapen's verdict: Worth a look (62/100).
- **How competitive is the potty training underwear for girls niche?**
- 20 brands and 23 sellers compete. The top 5 products take 24% of clicks and top 5 brands hold 68% of demand.
- **What do buyers complain about in potty training underwear for girls?**
- Top complaints mined from reviews: Size-Overall, Absorbency, Water Resistance. The return rate is 2.1%.
- **When does demand for potty training underwear for girls peak?**
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- **What does it cost to enter the potty training underwear for girls niche?**
- Listings span $11.11–$37.80; the average listing price is $23.03 (sweet spot $15–$100). The average incumbent carries 6,075 reviews — the moat a new listing must climb.
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