Is xl shower cap profitable to sell on Amazon United States?

The niche generates $76K/yr across 18 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +10.4%. Flapen's verdict: Skip it (43/100).

How competitive is the xl shower cap niche?

11 brands and 14 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 85% of demand.

What do buyers complain about in xl shower cap?

Top complaints mined from reviews: Size-Overall, Water Resistance, Suitability Long Hair. The return rate is 1.1%.

When does demand for xl shower cap peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the xl shower cap niche?

Listings span $5.01–$24.99; the average listing price is $9.35 (sweet spot $15–$100). The average incumbent carries 2,859 reviews — the moat a new listing must climb.

xl shower cap

Skip it

A small market ($76K/yr) — this niche doesn't clear our bar today.

Returns

Great1.1%

return rate — above 5% kills the launch gate

Conversion

Great8.4%

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

Price range

Good$5.01–$24.99

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

Growth

Okay+10.4%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Review moat

Okay2,859.17

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay85%

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

Competition

Okay68%

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

Avg price

Okay$9.35

avg listing price — sweet spot $15–$100

Market size

Bad$76K

$76K/yr · 97K searches

According to Flapen's Amazon United States niche tracking, xl shower cap is a $76K/yr Amazon United States market (97K searches/yr). The top 5 brands hold 85% of demand. Verdict: Skip it — 43/100.

Data updated Jul 15, 2026 · scored weekly · How we score niches

xl shower cap market data

Units sold / yr: 8K–10K; avg 250–500/product
Revenue / yr: $75K–$94K; units × avg price
Conversion rate: 8.4%
Avg BSR: #59
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 43 months
Avg seller age: 162 days

Competition & brand share

The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.

Brands

11 falling

Sellers

Top-5 brand share

85%

Top 20: 100%

Top-5 click share

68%

Top 20: 100%

Open market

12%

CHFONG42%
Auban21%
Aquior10%
mikimini6%
Edoneery6%
YANIBEST3%
Open — no brand owns it (5 brands, 12%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +10.4% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top xl shower cap search terms

xl shower cap42K/yr +9.3%5.7% conv.
jumbo shower cap25K/yr +15.0%7.5% conv.
big shower cap22K/yr -2.6%7.1% conv.
jumbo shower cap for braids7K/yr +56.3%8.4% conv.
jumbo shower cap for black women324/yr -6.1%8.7% conv.

All search terms

Top xl shower cap 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 18 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Super Jumbo Shower Cap 2 PCS Waterproof Shower Caps for Women Extra Large Shower Cap Reusable Super Large Bath Caps Hair Cap for Long Thick Curly Hair Locs Twist Braids - Black + White

CHFONG$5.014.4★2,480 rev

Auban Extra Large Shower Cap Double-Layer Waterproof Reusable XL Satin Lining Shower Bonnet for Women Thick Long Hair Locs Braids(Black)

Auban$9.714.6★2,795 rev

Aquior Shower Cap Extra Adjustable Shower Caps for Women Double-Layer Waterproof Reusable Hair Cap Large Size Hair Cap for All Hair for Girls Spa Bath Soft and Comfortable (Purple)

Aquior$9.624.4★1,519 rev

Jumbo Size Shower Cap 2 PCS Waterproof Shower Caps for Women Extra Large Shower Cap Reusable Super Large Bath Caps Hair Cap for Long Thick Curly Hair Locs Twist Braids - Black + Purple

CHFONG$5.434.4★2,480 rev

Extra Large Shower Cap 2 PCS Waterproof Shower Caps for Women Super Jumbo Shower Cap Reusable Super Large Bath Caps Hair Cap for Long Thick Curly Hair Locs Twist Braids - Black + Pink

CHFONG$5.444.4★2,480 rev

Newest

by launch date

mikimini Large Shower Cap for Women Reusable Waterproof Extra Large Hair Cap with Adjustable Elastic Band and Vibrant Floral Print XL Bath Cap for Long Hair & Short Hair

mikimini$10.02101 rev

11mo ago

2 Pcs Large Shower Cap for Braids Extra Long Shower Cap for Women Long Hair & Locs Waterproof Hair Bonnets for Dreadlocks Drawstring Bath Caps for Women & Men (Black Leopard)

Abeillo$9.94776 rev

1y ago

mikimini Large Shower Cap for Women Reusable Waterproof Hair Cap for Shower with Double Layers Tropic Style Hair Cover with Elastic Band for Shower suit for Long Hair Braids

mikimini$10.09299 rev

1y ago

Super Jumbo Shower Cap 2 PCS Waterproof Shower Caps for Women Extra Large Shower Cap Reusable Super Large Bath Caps Hair Cap for Long Thick Curly Hair Locs Twist Braids - Black + White

CHFONG$5.012,480 rev

2y ago

Jumbo Size Shower Cap 2 PCS Waterproof Shower Caps for Women Extra Large Shower Cap Reusable Super Large Bath Caps Hair Cap for Long Thick Curly Hair Locs Twist Braids - Black + Purple

CHFONG$5.432,480 rev

2y ago

What buyers say about xl shower cap

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

What buyers love

Size-Overall22%

“Fits snuggly”

Quality-Overall17%

“Good quality and great for taking showers”

Moist/Dry8%

“Keeps my hair dry”

Advertised Vs Actual Product8%

“As advertised”

Comfort-Overall6%

“Very comfortable”

Water Resistance4%

“actually waterproof”

Stretchability/Expandability/Elasticity4%

“Good elastic”

Value For Money3%

“Good Value”

Material Quality3%

“The material is strong”

Durability3%

“Very Durable”

What buyers complain about

Size-Overall38%

“Not a good fit”

Water Resistance6%

“Not waterproof”

Suitability Long Hair5%

“This is NOT for people with long hair”

Stretchability/Expandability/Elasticity5%

“It didnt have a lot of stretch”

Moist/Dry4%

“Doesnt dry well”

Quality-Overall3%

“Cheap”

Advertised Vs Actual Product2%

“Not as described”

Leak-Proof2%

“Cap leaked at the sides and back”

Smell2%

“it smelled weird after a while even when I washed it”

Comfort-Overall2%

“and uncomfortable to wear”

Top return reasons

Size-Overall59%

Advertised Vs Actual Product6%

Material Quality6%

Stretchability/Expandability/Elasticity4%

Color4%

Quality-Overall3%

Defective Material/Parts3%

Suitability Long Hair2%

Water Resistance2%

Value For Money1%

Common questions

Is xl shower cap profitable to sell on Amazon United States?: The niche generates $76K/yr across 18 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +10.4%. Flapen's verdict: Skip it (43/100).
How competitive is the xl shower cap niche?: 11 brands and 14 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 85% of demand.
What do buyers complain about in xl shower cap?: Top complaints mined from reviews: Size-Overall, Water Resistance, Suitability Long Hair. The return rate is 1.1%.
When does demand for xl shower cap peak?: Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the xl shower cap niche?: Listings span $5.01–$24.99; the average listing price is $9.35 (sweet spot $15–$100). The average incumbent carries 2,859 reviews — the moat a new listing must climb.