Is red costume profitable to sell on Amazon United Kingdom?

The niche generates £4K/yr across 27 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -52.4%. Flapen's verdict: Skip it (40/100).

How competitive is the red costume niche?

18 brands and 44 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 64% of demand.

What do buyers complain about in red costume?

Top complaints mined from reviews: Size-Overall, Thin. The return rate is 4.4%.

When does demand for red costume peak?

Demand peaks in Mar–Oct–Nov; the busiest month runs 40.8× the quietest.

What does it cost to enter the red costume niche?

Listings span £4.77–£43.33; the average listing price is £14.88 (sweet spot $15–$100). The average incumbent carries 238 reviews — the moat a new listing must climb.

red costume

Skip it

Soft demand (-52.4% this quarter) — this niche doesn't clear our bar today.

Review moat

Great237.63

avg incumbent reviews — the moat a new listing must climb

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Avg price

Good£14.88

avg listing price — sweet spot $15–$100

Price range

Good£4.77–£43.33

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

Brand share

Good64%

top-5 brand share — brands hold most of the demand

Competition

Good54%

top-5 click share — leaders hold, buyers still browse

Returns

Okay4.4%

return rate — above 5% kills the launch gate

Conversion

Bad1.2%

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

Market size

Bad£4K

£4K/yr · 24K searches

Growth

Bad-52.4%

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

According to Flapen's Amazon United Kingdom niche tracking, red costume is a £4K/yr Amazon United Kingdom market (24K searches/yr). The top 5 brands hold 64% of demand. Demand peaks in Mar–Oct–Nov. Verdict: Skip it — 40/100.

Data updated Jul 29, 2026 · scored weekly · How we score niches

red costume market data

Units sold / yr: 250–500; avg 0–100/product
Revenue / yr: £4K–£7K; units × avg price
Conversion rate: 1.2%
Avg BSR: #2,308
Page quality: 0%
Prime: 81%
Sponsored: 56%
Out of stock: 24.4%
Avg brand age: 33 months
Avg seller age: 196 days

Competition & brand share

The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.

Brands

18 rising

Sellers

Top-5 brand share

64%

Top 20: 100%

Top-5 click share

54%

Top 20: 92%

Open market

29%

Disguise21%
Smiffys17%
cutecool11%
MYQYwin8%
TOYTOPIE8%
Generic7%

Demand & seasonality

Weekly Amazon search volume, last 93 weeks — -52.4% search growth over the last 90 days.

Peak months: Mar, Oct, Nov · busiest ÷ quietest = 40.8×

Open Trend

Top red costume search terms

red costume10K/yr -29.9%0.2% conv.
descendants red costume3K/yr -57.4%0.8% conv.
red costume descendants3K/yr -62.6%1.9% conv.
rise of red costume2K/yr -51.0%2.2% conv.
descendants rise of red costume2K/yr -65.1%0.4% conv.
red descendants costume5K/yr -85.1%0.5% conv.

All search terms

Top red 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.

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

Smiffys Scouser Tracksuit Red & White with Jacket & Trousers 1980s Fancy Dress 1980s Dress Up Costumes

Smiffys£12.944.1★565 rev

cutecool Halloween Pyjamas Jumpsuit Costume Onesie Pajamas Unisex Animal One-piece Costume Homewear Sleepwear Party (UK Alpha L Regular Regular Red Teletubbies)

cutecool£10.413.9★335 rev

Disney Descendants Red Classic Dress Up by Disguise Official License Fancy Dress Costume for Girls Features Red Long Sleeve Onesie with Skirt Detail Size M (7-8 Years)

Disguise£16.734.5★183 rev

Disney Disguise Descendants Red Costume for Girls Perfect for Descendants Fans Bold Red Longsleeve Onesie with Stylish Skirt Detail and Mesh Sleeves 4-6 years

Disguise£15.324.5★183 rev

TOYTOPIE Rise Of Red Costume for Girls Red Hero Costume Set with Long Sleeve Jumpsuit Wig and Gloves Kids Halloween Fancy Dress Up for Girls 510 Years School Play and Role Play Outfit

TOYTOPIE£14.923.8★15 rev

Newest

by launch date

Vervora Red Hoodie with Yellow Letter A Chipmunk Fancy Dress Costume Cotton Blend Hooded Sweatshirt for Halloween Cosplay 90s Party Outfit & Themed Events (L)

Vervora£8.963 rev

6mo ago

Crayon Costume Adult 3Pcs Colorful Crayon Fancy Dress Include Crayon Apron Funny Cone Hat And Striped Socks Unisex World Book Day Costumes Halloween Party Christmas Group Cosplay Outfits (Red)

Zidoley£9.2650 rev

6mo ago

Womens Onesies Adults Adult Onesies Pajamas Jumpsuit Costume Women Men Onesie Pajamas Unisex Animal One piece Costume Homewear Sleepwear Party Christmas Red

Generic£10.605 rev

8mo ago

TOLOYE Red of Rise Costume Red of Rise Dress with Crossbody Bag Wig and Gloves Halloween Costumes for Kids Fancy Dress for Carnival Cosplay Party Halloween Girls Gift (Red 120)

TOLOYE£19.413 rev

10mo ago

TOLOYE Red of Rise Costume Red of Rise Dress with Crossbody Bag Wig and Gloves Halloween Costumes for Kids Fancy Dress for Carnival Cosplay Party Halloween Girls Gift (Red 130)

TOLOYE£18.043 rev

10mo ago

What buyers say about red costume

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

What buyers love

Size-Overall31%

“Fit her really well”

Advertised Vs Actual Product13%

“Works as pictured and described. and then some”

Collectibles13%

“Lovely toy clock arrived quickly”

Washability13%

“Bought for my daughter for halloween, shes worn it plenty since then, it washes really well, nice quality”

Value For Money13%

“Great value for money”

Color6%

“Very pretty”

Ease Of Use6%

“Nice and easy to wear”

What buyers complain about

Size-Overall50%

“Size came up small”

Thin25%

“the material was too thin for this time of year to wear on book day”

Top return reasons

Size-Overall64%

Material Quality8%

Quality-Overall5%

Advertised Vs Actual Product5%

Stitch/Finish/Polish4%

Defective Material/Parts3%

Length2%

Shape/Style1%

Gap/Hole1%

Waist Fit1%

Common questions

Is red costume profitable to sell on Amazon United Kingdom?: The niche generates £4K/yr across 27 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -52.4%. Flapen's verdict: Skip it (40/100).
How competitive is the red costume niche?: 18 brands and 44 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 64% of demand.
What do buyers complain about in red costume?: Top complaints mined from reviews: Size-Overall, Thin. The return rate is 4.4%.
When does demand for red costume peak?: Demand peaks in Mar–Oct–Nov; the busiest month runs 40.8× the quietest.
What does it cost to enter the red costume niche?: Listings span £4.77–£43.33; the average listing price is £14.88 (sweet spot $15–$100). The average incumbent carries 238 reviews — the moat a new listing must climb.