---
title: "Cast Covers for Shower Leg — $1.1M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/cast-covers-for-shower-leg"
last_updated: "2026-08-10T23:14:24.012Z"
locale: en
meta:
  description: "Niche score 47/100 · $1.1M/yr market · 682K searches/yr · $14.90 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 47/100 · $1.1M/yr market · 682K searches/yr · $14.90 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Cast Covers for Shower Leg — $1.1M/yr Amazon US Niche (2026) - Flapen"
---

# **cast covers for shower leg**

**Skip it**

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

Market size 79Growth 28Conversion 90Competition 21Returns 23Price range 64Avg price 74Brand share 42Review moat 23Quality gap 47

**Conversion**

**Great****10.7%**

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**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Okay****80%**

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**

**Bad****7,800.92**

avg incumbent reviews — the moat a new listing must climb

**Returns**

**Bad****5.5%**

return rate — above 5% kills the launch gate

**Competition**

**Bad****74%**

top-5 click share — a locked-up shelf

**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")

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 ~~](https://flapen.com/research/methodology)

## **cast covers for shower leg market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**80K–100K**</dd><dd>avg 5,000–6,000/product</dd>

<dt>**Revenue / yr**</dt><dd>**$1.2M–$1.5M**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**10.7%**</dd>

<dt>**Avg BSR**</dt><dd>**#22**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**100%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**48 months**</dd>

<dt>**Avg seller age**</dt><dd>**167 days**</dd>

</dl>

## **Competition & brand share**

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

**Brands**

**12 **▼falling

**Sellers**

**17**

**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.

15K10K seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.2×

[**Open Trend **](https://flapen.com/research/us/health-household/cast-covers-for-shower-leg/trend)

## **Top cast covers for shower leg search terms**

- **cast covers for shower leg**199K/yr-4.1%11.7% conv. - **leg cast cover for showering**69K/yr+2.1%11.7% conv. - **cast shower cover leg**42K/yr+0.8%12.4% conv. - **cast protector for shower leg adult**40K/yr-7.4%10.1% conv. - **leg cover for showering after surgery**33K/yr+16.2%7.0% conv. - **leg cast cover**32K/yr+19.6%4.2% conv. - **shower cast cover leg**28K/yr+3.4%11.6% conv. - **waterproof cast cover leg adult**29K/yr-3.0%9.6% conv. - **shower leg cover waterproof**23K/yr+1.6%8.9% conv. - **leg shower bag surgery waterproof**25K/yr-6.3%10.6% conv. [**All search terms **](https://flapen.com/research/us/health-household/cast-covers-for-shower-leg/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.

0%10%$109K20%$218K30%$326K40%$435K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

[1![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)](https://m.media-amazon.com/images/I/41gZPxo0mUL.jpg)**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**$17.99**4.4★4,819 rev](https://www.amazon.com/dp/B0CQ4YH3C8) [2![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](https://m.media-amazon.com/images/I/51slzAYXfLL.jpg)**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**$11.10**4.4★218 rev](https://www.amazon.com/dp/B0G4CMJ5GR) [3![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](https://m.media-amazon.com/images/I/413bSCqAhEL.jpg)**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**$9.94**4.4★46,385 rev](https://www.amazon.com/dp/B078Q32FXQ) [4![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](https://m.media-amazon.com/images/I/31Eeaae0jCL.jpg)**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**$11.78**4.4★2,797 rev](https://www.amazon.com/dp/B0BNCF5K1M) [5![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](https://m.media-amazon.com/images/I/41vStMCoQCL.jpg)**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**$14.62**4.7★282 rev](https://www.amazon.com/dp/B0G39PL594)

**~~View all top sellers →~~**

### **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](https://m.media-amazon.com/images/I/41TjPCWumOL.jpg)**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**$10.76**63 rev6mo ago](https://www.amazon.com/dp/B0GCMRGSRZ) [![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](https://m.media-amazon.com/images/I/51slzAYXfLL.jpg)**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**$11.10**218 rev7mo ago](https://www.amazon.com/dp/B0G4CMJ5GR) [![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](https://m.media-amazon.com/images/I/41vStMCoQCL.jpg)**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**$14.62**282 rev7mo ago](https://www.amazon.com/dp/B0G39PL594) [![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](https://m.media-amazon.com/images/I/41cvJ7Cz4sL.jpg)**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**$13.30**776 rev1y ago](https://www.amazon.com/dp/B0F948YG9Y) [![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](https://m.media-amazon.com/images/I/31vv6Y21o4L.jpg)**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**$24.10**4,085 rev2y ago](https://www.amazon.com/dp/B0D7C3P81J)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![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](https://m.media-amazon.com/images/I/51slzAYXfLL.jpg)**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**$11.10**4.4★**▲ 314%**](https://www.amazon.com/dp/B0G4CMJ5GR) [![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](https://m.media-amazon.com/images/I/41TjPCWumOL.jpg)**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**$10.76**4.4★**▲ 266%**](https://www.amazon.com/dp/B0GCMRGSRZ) [![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](https://m.media-amazon.com/images/I/41vStMCoQCL.jpg)**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**$14.62**4.7★**▲ 195%**](https://www.amazon.com/dp/B0G39PL594) [![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](https://m.media-amazon.com/images/I/41cvJ7Cz4sL.jpg)**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**$13.30**4.4★**▲ 186%**](https://www.amazon.com/dp/B0F948YG9Y) [![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](https://m.media-amazon.com/images/I/31vv6Y21o4L.jpg)**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**$24.10**4.6★**▲ 45%**](https://www.amazon.com/dp/B0D7C3P81J)

**~~View all trending →~~**

## **What buyers say about cast covers for shower leg**

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

### **What buyers love **

**Water Resistance**12%

*“Completely Waterproof”*

**Ease Of Use**11%

*“Convenient to use”*

**Quality-Overall**10%

*“Excellent product”*

**Efficiency**10%

*“Surprisingly Effective”*

**Size-Overall**8%

*“Very snug fit”*

**Leak-Proof**8%

*“Did not leak”*

**Moist/Dry**7%

*“Easy and dry”*

**Advertised Vs Actual Product**7%

*“Performs exactly as stated”*

**Value For Money**4%

*“Good value for price”*

**Durability**4%

*“Durable and easy to use”*

### **What buyers complain about **

**Size-Overall**20%

*“Did not fit”*

**Durability**13%

*“Didn't last”*

**Water Resistance**8%

*“It is not waterproof”*

**Leak-Proof**6%

*“It leaked”*

**Quality-Overall**6%

*“Not as high a quality as expected”*

**Ease Of Use**5%

*“its very difficult to put on”*

**Moist/Dry**4%

*“toes are dry”*

**Functionality-Overall**2%

*“Doesn't work over fracture boot”*

**Value For Money**2%

*“Not worth the money”*

**Stretchability/Expandability/Elasticity**2%

*“does not stretch”*

### **Top return reasons **

**Size-Overall**52%

**Advertised Vs Actual Product**10%

**Water Resistance**7%

**Leak-Proof**6%

**Functionality-Overall**4%

**Material Quality**3%

**Durability**3%

**Joint Pain**3%

**Product Condition**2%

**Stretchability/Expandability/Elasticity**2%

## **Common questions**

<dl>

<dt>**Is cast covers for shower leg profitable to sell on Amazon United States?**</dt><dd>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).</dd>

<dt>**How competitive is the cast covers for shower leg niche?**</dt><dd>12 brands and 17 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 80% of demand.</dd>

<dt>**What do buyers complain about in cast covers for shower leg?**</dt><dd>Top complaints mined from reviews: Size-Overall, Durability, Water Resistance. The return rate is 5.5% — above our launch gate.</dd>

<dt>**When does demand for cast covers for shower leg peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.2× the quietest.</dd>

<dt>**What does it cost to enter the cast covers for shower leg niche?**</dt><dd>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.</dd>

</dl>

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