Is flash costume profitable to sell on Amazon United States?

The niche generates $273K/yr across 46 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +2.9%. Flapen's verdict: Skip it (41/100).

How competitive is the flash costume niche?

11 brands and 46 sellers compete. The top 5 products take 32% of clicks and top 5 brands hold 92% of demand.

What do buyers complain about in flash costume?

Top complaints mined from reviews: Size-Overall, Quality-Overall, Functionality-Overall. The return rate is 8.2% — above our launch gate.

When does demand for flash costume peak?

Demand peaks in Sep–Oct–Nov; the busiest month runs 12.4× the quietest.

What does it cost to enter the flash costume niche?

Listings span $9.81–$3803.64; the average listing price is $130.69 (sweet spot $15–$100). The average incumbent carries 566 reviews — the moat a new listing must climb.

Flash Costume

Skip it

Prices mostly outside the sweet spot ($9.81–$3803.64) — this niche doesn't clear our bar today.

Competition

Great32%

top-5 click share — an open shelf

Review moat

Good565.7

avg incumbent reviews — the moat a new listing must climb

Avg price

Good$130.69

avg listing price — sweet spot $15–$100

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Market size

Okay$273K

$273K/yr · 312K searches

Growth

Okay+2.9%

90-day search growth — must beat 0% to launch

Brand share

Bad92%

top-5 brand share — brand-locked demand

Returns

Bad8.2%

return rate — above 5% kills the launch gate

Conversion

Bad0.7%

search→purchase rate — share of searches ending in a sale

Price range

Bad$9.81–$3803.64

cheapest to priciest tracked listing — scored on the share inside $15–$100

Signals High Returns High Price

Is flash costume profitable on Amazon?

According to Flapen's Amazon United States niche tracking, flash costume is a $273K/yr Amazon United States market (312K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 41/100.

Data updated Jul 10, 2026 · scored weekly · How we score niches

flash costume market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 3K–4K; avg 100–250/product
Revenue / yr: $392K–$523K; units × avg price
Conversion rate: 0.7%
Avg BSR: #9,344
Page quality: 0%
Prime: 83%
Sponsored: 54%
Out of stock: 14.7%
Avg brand age: 46 months
Avg seller age: 158 days

Competition: brands, sellers & click share

Clicks spread well past the top 5 (32% combined) — an open shelf where new products get seen.

Brands

11 rising

Sellers

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

32%

Top 20: 73%

Open market

Rubies51%
INTIMO17%
DC Comics17%
Fun Costumes4%
Trippy Lights3%
SalesOne2%
Open — no brand owns it (5 brands, 6%)

flash costume demand & seasonality

Weekly Amazon search volume, last 104 weeks — +2.9% search growth over the last 90 days.

Peak months: Sep, Oct, Nov · busiest ÷ quietest = 12.4×

Open Trend

Top flash costume search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

flash costume88K/yr +12.5%1.1% conv.
flash mask24K/yr +15.1%0.8% conv.
the flash costume40K/yr +20.1%0.5% conv.
flash costume kids50K/yr +9.3%1.8% conv.
flash costume adult25K/yr +9.8%0.8% conv.
the flash mask9K/yr +0.1%0.5% conv.
flash suit8K/yr -10.6%0.2% conv.
flash kids costume8K/yr -15.5%2.2% conv.
flash costume for kids 4-613K/yr -68.5%4.6% conv.
kid flash costume7K/yr +8.3%0.0% conv.

All search terms

Top flash 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Rubies at Party City DC Comics Superheroes: The Flash Costume for Kids Boys Small

Rubies$30.594.6★3,556 rev

Rubies DC The Flash Movie: The Flash Deluxe Costume for Kids Boys Medium

Rubies$30.684.5★365 rev

DC Comics Flash Reverse Flash 2 Pack Casual Crew Socks Multi Colored Fits Shoe size-6-12

DC Comics$12.214.7★740 rev

Rubies DC Justice League: The Flash Gloves for Adults Mens No Size Red

Rubies$17.934.3★74 rev

DC Comics Justice League Superhero Matching Family Pajamas Union Suit (Toddler Flash 2T/3T)

INTIMO$20.734.6★837 rev

Newest

by launch date

Mens Womens LED Flash Light Jacket Rave Hoodies Vest Couple Carnival Pants Party Xmas Fancy Dress Prefermence Costume (Pants XX-Large)

aifuu$37.1073 rev

6mo ago

DC Comics Boys The Flash Soccer Mesh Jersey Tee & Short 2PC Set

DC Comics$22.683 rev

1y ago

Trippy Lights Red Superhero Latex Adult Overhead Costume Halloween Cosplay Prop Mask (Large)

Trippy Lights$20.7120 rev

1y ago

Rubies DC Comics Superheroes: The Flash Costume for Adults Mens Large

Rubies$55.4914 rev

2y ago

DC Comics Boys The Flash Cosplay Zip-up Hoodie with Cape - 4-20 Sweatshirt Red 7 US

DC Comics$24.64123 rev

4y ago

What reviews say buyers love and hate about flash costume

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall33%

“Good socks great quality”

Durability15%

“surprisingly durable for the price”

Size-Overall15%

“Fit him perfectly”

Value For Money8%

“Reasonable for price point”

Fun/Entertainment Experience6%

“Fun”

Material Quality6%

“down with them all day so definitely good material”

Comfort-Overall5%

“Cute and comfy”

Advertised Vs Actual Product4%

“Exactly as expected”

Stretchability/Expandability/Elasticity3%

“They were stretchy”

Soft Feel2%

“soft”

What buyers complain about

Size-Overall39%

“Size table is wrong”

Quality-Overall25%

“Cheap”

Functionality-Overall17%

“Doesn't work”

Durability8%

“The mask broke within a month of opening”

Top return reasons

Size-Overall76%

Defective Material/Parts3%

Product Condition3%

Material Quality3%

Quality-Overall3%

Advertised Vs Actual Product2%

Brightness/Shine/Glow2%

Length2%

Comfort-Overall1%

Neck Fit1%

Common flash costume questions

Is flash costume profitable to sell on Amazon United States?: The niche generates $273K/yr across 46 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +2.9%. Flapen's verdict: Skip it (41/100).
How competitive is the flash costume niche?: 11 brands and 46 sellers compete. The top 5 products take 32% of clicks and top 5 brands hold 92% of demand.
What do buyers complain about in flash costume?: Top complaints mined from reviews: Size-Overall, Quality-Overall, Functionality-Overall. The return rate is 8.2% — above our launch gate.
When does demand for flash costume peak?: Demand peaks in Sep–Oct–Nov; the busiest month runs 12.4× the quietest.
What does it cost to enter the flash costume niche?: Listings span $9.81–$3803.64; the average listing price is $130.69 (sweet spot $15–$100). The average incumbent carries 566 reviews — the moat a new listing must climb.