monsters inc costume
Skip itA small market ($0/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$33.31avg listing price — sweet spot $15–$100
Price range
Great$18.08–$101.47cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good63%top-5 brand share — brands hold most of the demand
Growth
Good+45.6%90-day search growth — must beat 0% to launch
Competition
Good46%top-5 click share — leaders hold, buyers still browse
Review moat
Okay2,423.87avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Bad$0$0/yr · 158K searches
Conversion
Bad0.0%search→purchase rate — share of searches ending in a sale
Returns
Bad14.9%return rate — above 5% kills the launch gate
According to Flapen's Amazon United States niche tracking, monsters inc costume is a $0/yr Amazon United States market (158K searches/yr). The top 5 brands hold 63% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 41/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
monsters inc costume market data
- Units sold / yr
- 500–750
- avg 0–100/product
- Revenue / yr
- $17K–$25K
- units × avg price
- Conversion rate
- 0.0%
- Avg BSR
- #8,538
- Page quality
- 0%
- Prime
- 87%
- Sponsored
- 87%
- Out of stock
- 7.1%
- Avg brand age
- 37 months
- Avg seller age
- 185 days
Competition & brand share
The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.Brands
19 rising
Sellers
40
Top-5 brand share
63%
Top 20: 100%
Top-5 click share
46%
Top 20: 87%
Open market
33%
- COSUSKET37%
- Beauty Shine8%
- NAITOKE7%
- Disney6%
- elope6%
- HvnTjvn4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +45.6% search growth over the last 90 days.Peak months: Sep, Oct · busiest ÷ quietest = 297.5×
Top monsters inc costume search terms
- monsters inc halloween costumes15K/yr
- monsters inc adult costume34K/yr
- monsters inc family costumes12K/yr
- monster ink costume10K/yr
- monsters university costume8K/yr
- monsters inc costumes adult4K/yr
- monsters inc costume women6K/yr
- monster inc family costume4K/yr
- george sanderson monsters inc costume6K/yr
- 2319 monsters inc costume8K/yr
Top monsters inc 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
COSUSKET Snug Fit Unisex Adult Onesie Pajamas Flannel Cosplay Animal One Piece Halloween Costume Sleepwear Homewear
COSUSKET$27.054.7★9,011 rev
COSUSKET Snug Fit Unisex Adult Onesie Pajamas Flannel Cosplay Animal One Piece Halloween Costume Sleepwear Homewear
COSUSKET$25.994.7★9,011 rev
Beauty Shine Unisex Adult Onesie One Piece Pajamas Cosplay Cartoon Costume Halloween Christmas Sleepwear Jumpsuit Homewear(Mike Wazowski Medium)
Beauty Shine$26.304.5★6,114 rev
elope Disney Monsters Inc Boo Velour Baby Carrier Cover Costume Infant Halloween Costume Character Standard
elope$40.244.5★75 rev
Mike Wazowski Union Suit Disney Monsters Inc Hooded Kigarumi Adult Fleece Costume One Piece Pajama for Men and Women (L/XL)
MJC$49.684.2★51 rev
Newest
by launch date
Disney Pixar Monsters Inc Sulley All-Over Print Adult Cosplay T-Shirt Tee(Teal Medium)
Disney$24.040 rev
JenPen 4 Pcs Halloween Cartoon Costume Pink T-Shirt and Purple Leggings White Socks Purple Hair Ties Set for Costume(3t-4t)
JenPen$28.6634 rev
Fun Costumes Womens Pixar Monsters Inc. Mike Wazowski Costume - Shirt Skirt Headband & Gloves
Fun Costumes$88.763 rev
Mike Wazowski Union Suit Disney Monsters Inc Hooded Kigarumi Adult Fleece Costume One Piece Pajama for Men and Women (L/XL)
MJC$49.6851 rev
Lianshp Adult Animal and Sea Creature Onesie Pajamas Halloween Cosplay Costume Green
Lianshp$22.85204 rev
Trending
90-day click momentumDisney Pixar Monsters Inc Sulley All-Over Print Adult Cosplay T-Shirt Tee(Teal Medium)
Disney$24.040.0★
ComfyCamper Polka Dots Furry Monsters Shirt - Adult Mens Cosplay Halloween Costume Womens Kids X-Large Blue
ComfyCamper$22.334.3★
COSUSKET Snug Fit Unisex Adult Onesie Pajamas Flannel Cosplay Animal One Piece Halloween Costume Sleepwear Homewear Light Green
COSUSKET$28.294.7★
HvnTjvn Monster Adult Onesie Pajama Inc Costume Halloween christma Women M
HvnTjvn$20.344.5★
COSUSKET Snug Fit Unisex Adult Onesie Pajamas Flannel Cosplay Animal One Piece Halloween Costume Sleepwear Homewear
COSUSKET$27.054.7★
What buyers say about monsters inc costume
What buyers praise and complain about, mined from review topics.What buyers love
“I like that it is thick material for a cold Halloween night”
“Warm and quality costume for Halloween”
“Very comfortable”
“Great quality will keep child warm, fits perfectly”
“Soft”
“great price great product”
“Easy Costume”
“fits perfectly”
“the color on it”
“zipper worked well”
What buyers complain about
“the overall construction quality was disappointing”
“had a disturbing smell to the package”
“So awkward in the middle”
“Price high”
“Ordered a small received a medium”
“Doesn't look like picture at all”
“Not even close to same color”
Top return reasons
Common questions
- Is monsters inc costume profitable to sell on Amazon United States?
- The niche generates $0/yr across 30 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +45.6%. Flapen's verdict: Skip it (41/100).
- How competitive is the monsters inc costume niche?
- 19 brands and 40 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 63% of demand.
- What do buyers complain about in monsters inc costume?
- Top complaints mined from reviews: Quality-Overall, Smell, Comfort-Overall. The return rate is 14.9% — above our launch gate.
- When does demand for monsters inc costume peak?
- Demand peaks in Sep–Oct; the busiest month runs 297.5× the quietest.
- What does it cost to enter the monsters inc costume niche?
- Listings span $18.08–$101.47; the average listing price is $33.31 (sweet spot $15–$100). The average incumbent carries 2,424 reviews — the moat a new listing must climb.