Mommy Shark Adult Costume
Skip itHigh returns (11.9%) — this niche doesn't clear our bar today.
Avg price
Incredible$28.76avg listing price — sweet spot $15–$100
Price range
Incredible$20.15–$37.26cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+54.1%90-day search growth — must beat 0% to launch
Review moat
Good695.54avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Competition
Okay60%top-5 click share — leaders hold, buyers still browse
Brand share
Okay84%top-5 brand share — brands hold most of the demand
Conversion
Bad0.8%search→purchase rate — share of searches ending in a sale
Market size
Bad$7K$7K/yr · 33K searches
Returns
Bad11.9%return rate — above 5% kills the launch gate
Is mommy shark adult costume profitable on Amazon?
According to Flapen's Amazon United States niche tracking, mommy shark adult costume is a $7K/yr Amazon United States market (33K searches/yr). The top 5 brands hold 84% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 41/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
mommy shark adult costume market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 500–750
- avg 0–100/product
- Revenue / yr
- $14K–$22K
- units × avg price
- Conversion rate
- 0.8%
- Avg BSR
- #38,653
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 92%
- Out of stock
- 0.3%
- Avg brand age
- 42 months
- Avg seller age
- 197 days
Competition: brands, sellers & click share
The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.Brands
7 rising
Sellers
13
Top-5 brand share
84%
Top 20: 100%
Top-5 click share
60%
Top 20: 100%
Open market
5%
- vavalad35%
- dressfan13%
- Markest13%
- JUOLOET11%
- HSCTEK11%
- Touchat11%
- Open — no brand owns it (1 brand, 5%)
mommy shark adult costume demand & seasonality
Weekly Amazon search volume, last 102 weeks — +54.1% search growth over the last 90 days.Peak months: Sep, Oct · busiest ÷ quietest = 85.2×
Top mommy shark adult costume search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- mommy shark costume14K/yr
- mama shark costume3K/yr
- mommy shark costume adult15K/yr
Top mommy shark adult 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 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
vavalad Shark Onesie Adult Shark Halloween Costumes Cosplay
vavalad$30.024.1★47 rev
dressfan Animal Shark Onesie Cosplay Costume Christmas Halloween Pajamas for Unisex Adults Teens Kids Rose M
dressfan$20.364.4★1,459 rev
JUOLOET Unisex Adult Onesie Pajamas Shark Animal One Piece Snug Fit Halloween Costume Sleepwear Homewear Pink Shark X-Large
JUOLOET$27.774.6★473 rev
Touchat Shark Blanket Hoodie Onesie Wearable Blankets Hoodie Adult Warm Flannel Throw Blanket Tail Sleeping Bag Cartoon Costume Shark Onesie Funny Gifts for Adults (Pink M)
Touchat$20.154.5★648 rev
Markest Onesie Unisex Adult Pajamas Animal Rose Red Shark Cosplay Costume Sleepwear L
Markest$24.104.4★1,882 rev
Newest
by launch dateJUOLOET Unisex Adult Onesie Pajamas Shark Animal One Piece Snug Fit Halloween Costume Sleepwear Homewear Pink Shark X-Large
JUOLOET$27.77473 rev
Shark Onesie Costume Adult Women Men Baby Cute Daddy Pjs Blanket Clothes S
HSCTEK$37.26225 rev
HSCTEK Shark Onesie Costume Adult Women Men Baby Funny Pajamas Mommy XL
HSCTEK$35.86225 rev
Touchat Shark Blanket Hoodie Onesie Wearable Blankets Hoodie Adult Warm Flannel Throw Blanket Tail Sleeping Bag Cartoon Costume Shark Onesie Funny Gifts for Adults (Pink M)
Touchat$20.15648 rev
vavalad Shark Onesie Adult Shark Halloween Costumes Cosplay
vavalad$30.0247 rev
Trending
90-day click momentumTouchat Shark Blanket Hoodie Onesie Wearable Blankets Hoodie Adult Warm Flannel Throw Blanket Tail Sleeping Bag Cartoon Costume Shark Onesie Funny Gifts for Adults (Pink M)
Touchat$20.154.5★
vavalad Adult Shark Onesie Pajamas Unisex Animal Cosplay Costume One Piece for Women and Men
vavalad$33.644.5★
JUOLOET Unisex Adult Onesie Pajamas Shark Animal One Piece Snug Fit Halloween Costume Sleepwear Homewear Pink Shark X-Large
JUOLOET$27.774.6★
HSCTEK Shark Onesie Costume Adult Women Men Baby Funny Pajamas Mommy XL
HSCTEK$35.864.6★
Shark Onesie Costume Adult Women Men Baby Cute Daddy Pjs Blanket Clothes S
HSCTEK$37.264.6★
What reviews say buyers love and hate about mommy shark adult costume
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality”
“It is so comfortable”
“Size is perfect”
“Great value for your money”
“This shark blanket is unbelievably soft”
“Appears just as pictured”
“Zipper quality is great”
“warm”
“The design is adorable and fun, and the quality is way better than expected”
“The fabric feels plush and smooth, never scratchy, and it stays cozy even after washing”
What buyers complain about
“Arms and legs too short,”
“after 2 days of use it ripped”
“Arms and legs too short,”
“Material”
“I wish they depicted these features”
“Thick”
Top return reasons
Common mommy shark adult costume questions
- Is mommy shark adult costume profitable to sell on Amazon United States?
- The niche generates $7K/yr across 13 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +54.1%. Flapen's verdict: Skip it (41/100).
- How competitive is the mommy shark adult costume niche?
- 7 brands and 13 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 84% of demand.
- What do buyers complain about in mommy shark adult costume?
- Top complaints mined from reviews: Size-Overall, Durability, Arm Fit. The return rate is 11.9% — above our launch gate.
- When does demand for mommy shark adult costume peak?
- Demand peaks in Sep–Oct; the busiest month runs 85.2× the quietest.
- What does it cost to enter the mommy shark adult costume niche?
- Listings span $20.15–$37.26; the average listing price is $28.76 (sweet spot $15–$100). The average incumbent carries 696 reviews — the moat a new listing must climb.