squirtle costume
Skip itA small market ($15K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$29.39avg listing price — sweet spot $15–$100
Price range
Great$9.75–$44.89cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+59.1%90-day search growth — must beat 0% to launch
Review moat
Good736.12avg incumbent reviews — the moat a new listing must climb
Brand share
Okay76%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Okay59%top-5 click share — leaders hold, buyers still browse
Conversion
Bad1.0%search→purchase rate — share of searches ending in a sale
Returns
Bad9.4%return rate — above 5% kills the launch gate
Market size
Bad$15K$15K/yr · 52K searches
According to Flapen's Amazon United States niche tracking, squirtle costume is a $15K/yr Amazon United States market (52K searches/yr). The top 5 brands hold 76% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 42/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
squirtle costume market data
- Units sold / yr
- 500–750
- avg 0–100/product
- Revenue / yr
- $15K–$22K
- units × avg price
- Conversion rate
- 1.0%
- Avg BSR
- #4,523
- Page quality
- 0%
- Prime
- 92%
- Sponsored
- 76%
- Out of stock
- 3.7%
- Avg brand age
- 39 months
- Avg seller age
- 186 days
Competition & brand share
The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.Brands
15 rising
Sellers
32
Top-5 brand share
76%
Top 20: 100%
Top-5 click share
59%
Top 20: 93%
Open market
17%
- SAMGU28%
- MAJ&COS22%
- Pokémon10%
- Bioworld9%
- Disguise8%
- CuteCosplay7%
- Open — no brand owns it (9 brands, 17%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +59.1% search growth over the last 90 days.Peak months: Sep, Oct · busiest ÷ quietest = 50.1×
Top squirtle costume 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
MAJ&COS Onesie Adult Gray Pajamas Unisex Onesies Turtle Costume For Women Men
MAJ&COS$42.664.4★193 rev
SAMGU Squirrel Onesie Costume Adult Halloween Cosplay One Piece Pajamas for Women and Men
SAMGU$33.604.4★4,434 rev
Bioworld Pokemon Adult Squirtle 007 Embroidered Precurve Snapback Hat for Men and Women
Bioworld$24.534.8★178 rev
Kids Animal Onesie Cosplay One-Piece Pajamas Christmas Halloween Costumes
CuteCosplay$17.634.5★497 rev
SAMGU Squirrel Onesie Adult Halloween Cosplay Costume Cartoon One Piece Pajamas Homewear for Women Men Large
SAMGU$29.504.4★4,434 rev
Newest
by launch date
Pokemon Boys Bathing Suit Bulbasaur Squirtle Charmander and Pikachu Kids Swimsuits 2 Piece Boys Swim Set Red 12
Pokémon$36.7310 rev
DELEY Onesie Kids Halloween Christmas Costume Cosplay Sleepwear One Piece Animal Pajamas for 4-13 Flying Squirrel Grey
DELEY$33.4524 rev
Magicmode Kids Flying Squirrel Onesie Pajamas Soft Flannel Halloween Cosplay Costumes for Boys Girls
Magicmode$35.85128 rev
Bioworld Pokemon Pajama Womens Squirtle Varsity Raglan Sleep Shirt V-Neck Nightgown (White/Blue Large)
Bioworld$24.4853 rev
SAMGU Squirrel Onesie Costume Adult Plush Fleece Halloween Party Cosplay Suit One Piece Pajamas for Women and Men
SAMGU$26.5394 rev
Trending
90-day click momentumPokemon Boys Bathing Suit Bulbasaur Squirtle Charmander and Pikachu Kids Swimsuits 2 Piece Boys Swim Set Red 12
Pokémon$36.734.6★
SAMGU Squirrel Onesie Adult Plush Fleece Halloween Cosplay Costume One Piece Pajamas
SAMGU$31.444.4★
DELEY Onesie Kids Halloween Christmas Costume Cosplay Sleepwear One Piece Animal Pajamas for 4-13 Flying Squirrel Grey
DELEY$33.454.5★
SAMGU Squirrel Onesie Costume Adult Halloween Cosplay One Piece Pajamas for Women and Men
SAMGU$33.604.4★
Pokmon Boys Baseball Jersey Shirt - Pikachu Charizard Squirtle and Bulbasaur-Boys Sizes XS-XL White
Pokémon$33.734.5★
What buyers say about squirtle costume
What buyers praise and complain about, mined from review topics.What buyers love
“fit to size perfectly”
“Very soft”
“Great for value”
“Material is great”
“was easily to put on”
“Quality is nice”
“Color looks just as pictured and vibrant”
What buyers complain about
“small”
Top return reasons
Common questions
- Is squirtle costume profitable to sell on Amazon United States?
- The niche generates $15K/yr across 25 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +59.1%. Flapen's verdict: Skip it (42/100).
- How competitive is the squirtle costume niche?
- 15 brands and 32 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 76% of demand.
- What do buyers complain about in squirtle costume?
- Top complaints mined from reviews: Size-Overall. The return rate is 9.4% — above our launch gate.
- When does demand for squirtle costume peak?
- Demand peaks in Sep–Oct; the busiest month runs 50.1× the quietest.
- What does it cost to enter the squirtle costume niche?
- Listings span $9.75–$44.89; the average listing price is $29.39 (sweet spot $15–$100). The average incumbent carries 736 reviews — the moat a new listing must climb.