Hippo Costume
Skip itHigh returns (10.7%) — this niche doesn't clear our bar today.
Avg price
Incredible$24.87avg listing price — sweet spot $15–$100
Price range
Great$9.76–$68.84cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great399.73avg incumbent reviews — the moat a new listing must climb
Competition
Great37%top-5 click share — an open shelf
Brand share
Good68%top-5 brand share — brands hold most of the demand
Growth
Good+22.7%90-day search growth — must beat 0% to launch
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Conversion
Bad1.7%search→purchase rate — share of searches ending in a sale
Market size
Bad$34K$34K/yr · 81K searches
Returns
Bad10.7%return rate — above 5% kills the launch gate
Is hippo costume profitable on Amazon?
According to Flapen's Amazon United States niche tracking, hippo costume is a $34K/yr Amazon United States market (81K searches/yr). The top 5 brands hold 68% of demand. Demand peaks in Oct–Nov. Verdict: Skip it — 46/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
hippo costume market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 2K–2K
- avg 0–100/product
- Revenue / yr
- $37K–$50K
- units × avg price
- Conversion rate
- 1.7%
- Avg BSR
- #13,324
- Page quality
- 0%
- Prime
- 95%
- Sponsored
- 85%
- Out of stock
- 31.7%
- Avg brand age
- 35 months
- Avg seller age
- 197 days
Competition: brands, sellers & click share
Clicks spread well past the top 5 (37% combined) — an open shelf where new products get seen.Brands
18 falling
Sellers
29
Top-5 brand share
68%
Top 20: 100%
Top-5 click share
37%
Top 20: 77%
Open market
27%
- JUOLOET33%
- Rubies14%
- QNRMS10%
- Jeyfull6%
- WAFUNNE6%
- TYONMUJO5%
hippo costume demand & seasonality
Weekly Amazon search volume, last 104 weeks — +22.7% search growth over the last 90 days.Peak months: Oct, Nov · busiest ÷ quietest = 34.7×
Top hippo costume search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- hippo costume33K/yr
- hippo inflatable costume9K/yr
- inflatable hippo costume9K/yr
- inflatable hippo5K/yr
- hippo costume kids8K/yr
- inflatable hippo costume adult4K/yr
- hippo costume adult10K/yr
- hippopotamus costume4K/yr
Top hippo costume products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.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
Rubies Hippo Inflatable Costume for Adults Unisex One Size
Rubies$53.284.3★1,412 rev
QNRMS Hippo Inflatable Costume Adult Blow up Inflatable Animal Costume Suit Funny Halloween Costume for Men & Women (Purple)
QNRMS$29.874.0★88 rev
JUOLOET Unisex Adult Onesie Pajamas Hippo Animal One Piece Snug Fit Halloween Costume Sleepwear Homewear Hippo X-Large
JUOLOET$19.364.6★473 rev
JUOLOET Unisex Adult Onesie Pajamas Hippo Animal One Piece Snug Fit Halloween Costume Sleepwear Homewear Grey Hippo Large
JUOLOET$28.994.6★473 rev
WAFUNNE Animal Onesie Costume for Kids Child Boys Girls Womens Mens Cosplay Halloween Costumes Easter Onesies Grey Hippo 140
WAFUNNE$23.434.6★18 rev
Newest
by launch date
JUOLOET Unisex Adult Onesie Pajamas Hippo Animal One Piece Snug Fit Halloween Costume Sleepwear HomewearNew Grey Hippo Large
JUOLOET$23.66473 rev
JUOLOET Unisex Adult Onesie Pajamas Hippo Animal One Piece Snug Fit Halloween Costume Sleepwear HomewearNew Grey Hippo X-Small
JUOLOET$22.37473 rev
JUOLOET Unisex Adult Onesie Pajamas Hippo Animal One Piece Snug Fit Halloween Costume Sleepwear HomewearNew Hippo Medium
JUOLOET$28.47473 rev
JUOLOET Unisex Adult Onesie Pajamas Hippo Animal One Piece Snug Fit Halloween Costume Sleepwear HomewearNew Hippo X-Small
JUOLOET$24.58473 rev
JUOLOET Unisex Adult Onesie Pajamas Hippo Animal One Piece Snug Fit Halloween Costume Sleepwear HomewearNew Grey Hippo Medium
JUOLOET$27.35473 rev
Trending
90-day click momentumJUOLOET Unisex Adult Onesie Pajamas Hippo Animal One Piece Snug Fit Halloween Costume Sleepwear HomewearNew Hippo X-Small
JUOLOET$24.584.6★
JUOLOET Unisex Adult Onesie Pajamas Hippo Animal One Piece Snug Fit Halloween Costume Sleepwear HomewearNew Hippo Medium
JUOLOET$28.474.6★
JUOLOET Unisex Adult Onesie Pajamas Hippo Animal One Piece Snug Fit Halloween Costume Sleepwear HomewearNew Grey Hippo Large
JUOLOET$23.664.6★
JUOLOET Unisex Adult Onesie Pajamas Hippo Animal One Piece Snug Fit Halloween Costume Sleepwear HomewearNew Grey Hippo Medium
JUOLOET$27.354.6★
JUOLOET Unisex Adult Onesie Pajamas Hippo Animal One Piece Snug Fit Halloween Costume Sleepwear HomewearNew Grey Hippo X-Small
JUOLOET$22.374.6★
What reviews say buyers love and hate about hippo costume
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality”
“Great mask for the price”
“Such a fun costume”
“Item was comfortable”
“Material is good”
“Soft and fits good”
“it fit him well”
“held up well for kickball”
“Its very spacious when fully inflated”
“Seems pretty sturdy”
What buyers complain about
“hard to see out of foggy peep hole”
“you can't see out of it or breathe well in it”
“it was a little tricky to see out of”
“I also found myself having to hold it up by the tutu because the inside straps did not offer any help in fit or support”
“Hard to see out of”
“Doesn't fully inflate”
“This 1st order was missing parts and very wrinkled”
“My daughter said it was itchy”
“reading instructions ahead of time”
“The only problem is material is not good”
Top return reasons
Common hippo costume questions
- Is hippo costume profitable to sell on Amazon United States?
- The niche generates $34K/yr across 41 tracked products. 0 of 16 products launched in the last 360 days are still selling. 90-day search growth is +22.7%. Flapen's verdict: Skip it (46/100).
- How competitive is the hippo costume niche?
- 18 brands and 29 sellers compete. The top 5 products take 37% of clicks and top 5 brands hold 68% of demand.
- What do buyers complain about in hippo costume?
- Top complaints mined from reviews: Transparency, Breathability, Ease Of Use. The return rate is 10.7% — above our launch gate.
- When does demand for hippo costume peak?
- Demand peaks in Oct–Nov; the busiest month runs 34.7× the quietest.
- What does it cost to enter the hippo costume niche?
- Listings span $9.76–$68.84; the average listing price is $24.87 (sweet spot $15–$100). The average incumbent carries 400 reviews — the moat a new listing must climb.