Is cast covers for shower leg profitable to sell on Amazon United States?

The niche generates $1.1M/yr across 13 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +2.1%. Flapen's verdict: Skip it (47/100).

How competitive is the cast covers for shower leg niche?

12 brands and 17 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 80% of demand.

What do buyers complain about in cast covers for shower leg?

Top complaints mined from reviews: Size-Overall, Durability, Water Resistance. The return rate is 5.5% — above our launch gate.

When does demand for cast covers for shower leg peak?

Demand is steady year-round — the busiest month runs 1.2× the quietest.

What does it cost to enter the cast covers for shower leg niche?

Listings span $9.94–$24.10; the average listing price is $14.90 (sweet spot $15–$100). The average incumbent carries 7,801 reviews — the moat a new listing must climb.

cast covers for shower leg

Skip it

A concentrated shelf (top 5 take 74% of clicks) — this niche doesn't clear our bar today.

Conversion

Great10.7%

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

Market size

Great$1.1M

$1.1M/yr · 682K searches

Avg price

Good$14.90

avg listing price — sweet spot $15–$100

Price range

Good$9.94–$24.10

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Brand share

Okay80%

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

Growth

Okay+2.1%

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

Review moat

Bad7,800.92

avg incumbent reviews — the moat a new listing must climb

Returns

Bad5.5%

return rate — above 5% kills the launch gate

Competition

Bad74%

top-5 click share — a locked-up shelf

Signals High Returns

According to Flapen's Amazon United States niche tracking, cast covers for shower leg is a $1.1M/yr Amazon United States market (682K searches/yr). The top 5 brands hold 80% of demand. Verdict: Skip it — 47/100.

Data updated Jul 14, 2026 · scored weekly · How we score niches

cast covers for shower leg market data

Units sold / yr: 80K–100K; avg 5,000–6,000/product
Revenue / yr: $1.2M–$1.5M; units × avg price
Conversion rate: 10.7%
Avg BSR: #22
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 48 months
Avg seller age: 167 days

Competition & brand share

The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.

Brands

12 falling

Sellers

Top-5 brand share

80%

Top 20: 100%

Top-5 click share

74%

Top 20: 100%

Open market

16%

Mighty-X32%
CIVJET28%
Tideshake8%
EuyiHlybt6%
quiheat5%
Asunby5%
Open — no brand owns it (6 brands, 16%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +2.1% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.2×

Open Trend

Top cast covers for shower leg search terms

cast covers for shower leg199K/yr -4.1%11.7% conv.
leg cast cover for showering69K/yr +2.1%11.7% conv.
cast shower cover leg42K/yr +0.8%12.4% conv.
cast protector for shower leg adult40K/yr -7.4%10.1% conv.
leg cover for showering after surgery33K/yr +16.2%7.0% conv.
leg cast cover32K/yr +19.6%4.2% conv.
shower cast cover leg28K/yr +3.4%11.6% conv.
waterproof cast cover leg adult29K/yr -3.0%9.6% conv.
shower leg cover waterproof23K/yr +1.6%8.9% conv.
leg shower bag surgery waterproof25K/yr -6.3%10.6% conv.

All search terms

Top cast covers for shower leg 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 13 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

CIVJET Cast Covers for Shower Leg Waterproof Cast Cover for Showering/Swimming Cast Protector for Shower Leg Adult Water Proof Shower Boots for Foot after Surgery Knee Ankle Boot (Diameter-7.9)

CIVJET$17.994.4★4,819 rev

100% Waterproof Cast Covers for Shower Leg - Tight Seal - Reusable Adult Half Leg Cast Protector with Non-Slip Bottom - Knee Ankle Foot - Post Surgery Bandage & Dressing Bag for Wounds & Burns

Mighty-X$11.104.4★218 rev

100% Waterproof Cast Covers for Shower Leg - 2pk - Tight Seal - Reusable Adult Half Leg Cast Protectors - Knee Ankle Foot - After Surgery Bandage and Dressing Cast Bag for Wounds and Burns

Mighty-X$9.944.4★46,385 rev

Tideshake - Waterproof Leg Cast Cover for Showering Reusable Adult Short Leg Cast Protector Cast Covers for Shower Leg Cast Bag for Shower Cast Cover for Showering Foot

Tideshake$11.784.4★2,797 rev

EuyiHlybt Cast Covers for Shower Leg Waterproof Leg Cast Cover for Showering Reusable Cast Protector for Shower Leg Adult Soft Comfortable Cast Shower Cover Leg Used for Bandages

EuyiHlybt$14.624.7★282 rev

Newest

by launch date

Cast Covers for Shower Leg 100% Waterproof Leg Cast Cover for Showering Reusable Leakproof Protective Sleeve for Foot Ankle & Calf Keeps Casts Bandages & Wounds Dry During Post-Surgery Recovery

Goldeer$10.7663 rev

6mo ago

100% Waterproof Cast Covers for Shower Leg - Tight Seal - Reusable Adult Half Leg Cast Protector with Non-Slip Bottom - Knee Ankle Foot - Post Surgery Bandage & Dressing Bag for Wounds & Burns

Mighty-X$11.10218 rev

7mo ago

EuyiHlybt Cast Covers for Shower Leg Waterproof Leg Cast Cover for Showering Reusable Cast Protector for Shower Leg Adult Soft Comfortable Cast Shower Cover Leg Used for Bandages

EuyiHlybt$14.62282 rev

7mo ago

Quiheat Waterproof Leg Cast Cover for Showering Reusable Shower Sleeve for Leg After Surgery Watertight Non-Slip Adult Fracture Protector Bag Watertight Adult Cast Protector for Calf/Ankle/Wound/Bandages

quiheat$13.30776 rev

1y ago

Waterproof Extra Wide Full Leg Cast Cover for Shower with Non-Slip Bottom Extra Large Watertight Leg Cast Protector for Thigh Foot Ankle Surgery Wounds Knee Immobilizer/Brace Walking Boots Reusable

DNEOUXI$24.104,085 rev

2y ago

What buyers say about cast covers for shower leg

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

What buyers love

Water Resistance12%

“Completely Waterproof”

Ease Of Use11%

“Convenient to use”

Quality-Overall10%

“Excellent product”

Efficiency10%

“Surprisingly Effective”

Size-Overall8%

“Very snug fit”

Leak-Proof8%

“Did not leak”

Moist/Dry7%

“Easy and dry”

Advertised Vs Actual Product7%

“Performs exactly as stated”

Value For Money4%

“Good value for price”

Durability4%

“Durable and easy to use”

What buyers complain about

Size-Overall20%

“Did not fit”

Durability13%

“Didn't last”

Water Resistance8%

“It is not waterproof”

Leak-Proof6%

“It leaked”

Quality-Overall6%

“Not as high a quality as expected”

Ease Of Use5%

“its very difficult to put on”

Moist/Dry4%

“toes are dry”

Functionality-Overall2%

“Doesn't work over fracture boot”

Value For Money2%

“Not worth the money”

Stretchability/Expandability/Elasticity2%

“does not stretch”

Top return reasons

Size-Overall52%

Advertised Vs Actual Product10%

Water Resistance7%

Leak-Proof6%

Functionality-Overall4%

Material Quality3%

Durability3%

Joint Pain3%

Product Condition2%