plastic underwear for toddlers
Skip itA small market ($91K/yr) — this niche doesn't clear our bar today.
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Avg price
Great$17.35avg listing price — sweet spot $15–$100
Competition
Good45%top-5 click share — leaders hold, buyers still browse
Price range
Good$5.42–$31.32cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Okay3.1%return rate — above 5% kills the launch gate
Review moat
Okay2,274.85avg incumbent reviews — the moat a new listing must climb
Brand share
Okay83%top-5 brand share — brands hold most of the demand
Conversion
Okay2.4%search→purchase rate — share of searches ending in a sale
Growth
Bad-0.0%90-day search growth — must beat 0% to launch
Market size
Bad$91K$91K/yr · 222K searches
According to Flapen's Amazon United States niche tracking, plastic underwear for toddlers is a $91K/yr Amazon United States market (222K searches/yr). The top 5 brands hold 83% of demand. Verdict: Skip it — 47/100.
Data updated Jul 12, 2026 · scored weekly · How we score niches
plastic underwear for toddlers market data
- Units sold / yr
- 6K–8K
- avg 100–250/product
- Revenue / yr
- $104K–$139K
- units × avg price
- Conversion rate
- 2.4%
- Avg BSR
- #138
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 82%
- Out of stock
- 0.0%
- Avg brand age
- 50 months
- Avg seller age
- 181 days
Competition & brand share
The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.Brands
10 rising
Sellers
17
Top-5 brand share
83%
Top 20: 100%
Top-5 click share
45%
Top 20: 84%
Open market
8%
- BISENKID27%
- Gerber22%
- EZ Moms15%
- Joyo roy10%
- dappi9%
- Funtery8%
- Open — no brand owns it (4 brands, 8%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -0.0% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Top plastic underwear for toddlers search terms
- plastic underwear for potty training37K/yr
- rubber pants for potty training26K/yr
- plastic training pants for toddlers23K/yr
- plastic diaper covers9K/yr
- rubber training pants for toddlers13K/yr
- rubber pants for babies9K/yr
- rubber underwear for potty training13K/yr
- plastic diaper covers for toddlers11K/yr
- plastic pants for potty training12K/yr
- plastic swim diaper cover6K/yr
Top plastic underwear for toddlers 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Gerber Unisex Baby 8 Pack Waterproof Diaper Cover and Toddler Training Underwear White 3T US
Gerber$15.784.0★663 rev
BISENKID Rubber Underpants for Potty Training Good Elastic Plastic Diaper Covers for Plastic Pants & Training Underwear for Boy 2t
BISENKID$18.074.2★1,057 rev
Funtery 12 Packs Waterproof Plastic Pants for Toddlers Reusable Diaper Covers Unisex Baby Potty Training Underwear Covers(3T) White
Funtery$19.394.0★517 rev
Gerber Baby 2-Pack Waterproof Pant white 2T
Gerber$5.424.2★3,443 rev
BISENKID Waterproof Diaper Cover for Rubber Pants for Toddlers Good Elastic Rubber Swim Diaper Cover for Potty Training Underwear Boy 3t
BISENKID$18.094.2★1,057 rev
Newest
by launch date
Reusable Waterproof 100% Nylon Taffeta Diaper Pants for Potty Training & Swimming Leak-Proof & Rip-Proof Medium (Fits 20-25 lbs) 4 Counts
dappi$6.6913 rev
Gerber Unisex Baby 8 Pack Waterproof Diaper Cover and Toddler Training Underwear White 3T US
Gerber$15.78663 rev
EZ Moms 10 Pack Rubber Training Pants for Toddlers Reusable Plastic Pants Girls Plastic Underwear Covers for Potty Training Waterproof Diaper Cover Breathable and Soft Baby Diaper Covers for Girls 3T
EZ Moms$27.47374 rev
EZ Moms 10 Pack Boys Diaper Covers Plastic Training Pants for Toddlers Reusable Plastic Underwear Covers for Potty Training Breathable Rubber Pants for Babies Soft Waterproof Diaper Cover for Boys 3T
EZ Moms$27.52374 rev
EZ Moms 10 Pack Plastic Underwear Covers For Potty Training Girls Reusable Plastic Diaper Covers For Toddlers Soft Rubber Underwear For Toddlers Waterproof Plastic Diaper Covers Girls 2T Plastic Pants
EZ Moms$27.43374 rev
Trending
90-day click momentumBISENKID Waterproof Swim Diaper Cover for Plastic Training Pants for Toddlers Good Elastic Rubber Swim Diaper Cover for Plastic Training Pants Boy 4t
BISENKID$17.984.2★
BISENKID Waterproof Diaper Cover for Rubber Pants for Toddlers Good Elastic Rubber Swim Diaper Cover for Potty Training Underwear Boy 3t
BISENKID$18.094.2★
MooMoo Baby 8 Packs Potty Training Pants Cotton Absorbent Training Underwear for Toddler Baby Boy 3T
MooMoo Baby$31.324.5★
Joyo roy 4Pcs Plastic Underwear for Potty Training Swim Diaper Covers for Toddlers Cloth Diaper Cover for Boys Rubber Pants Waterproof Plastic Underwear Rubber Training Pants for Toddlers 3T-4T
Joyo roy$16.564.0★
Joyo roy 4Pcs Plastic Underwear for Potty Training Swim Diaper Covers for Toddlers White Diaper Cover Toddler Clothing Covers Training Underwear for Boys 3T Girls Rubber Pants for Toddlers
Joyo roy$16.484.0★
What buyers say about plastic underwear for toddlers
What buyers praise and complain about, mined from review topics.What buyers love
“Fit well”
“Very well made”
“Liquid doesn't leak through”
“Theyre comfortable”
“They are just exactly as pictured”
“Cute colors”
“Great training pants”
“very durable”
“Definitely worth the money”
“Soft,and comfortable”
What buyers complain about
“Every morning my one year is soaked through everything”
“Not leakproof”
“not functional”
“These are HUGE”
“its just fabric”
“Not absorbent”
“Thick”
“broke after 1st use”
“Doesnt hold”
“the elastic is not tight enough on the leg holes to serve any function”
Top return reasons
Common questions
- Is plastic underwear for toddlers profitable to sell on Amazon United States?
- The niche generates $91K/yr across 34 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -0.0%. Flapen's verdict: Skip it (47/100).
- How competitive is the plastic underwear for toddlers niche?
- 10 brands and 17 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 83% of demand.
- What do buyers complain about in plastic underwear for toddlers?
- Top complaints mined from reviews: Water Resistance, Leak-Proof, Functionality-Overall. The return rate is 3.1%.
- When does demand for plastic underwear for toddlers peak?
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- What does it cost to enter the plastic underwear for toddlers niche?
- Listings span $5.42–$31.32; the average listing price is $17.35 (sweet spot $15–$100). The average incumbent carries 2,275 reviews — the moat a new listing must climb.