cast covers for shower arm
Worth a lookShows searches that convert (13.5% search→purchase), but a concentrated shelf (top 5 take 74% of clicks) keeps it on the watch list.
Conversion
Incredible13.5%search→purchase rate — share of searches ending in a sale
Market size
Great$1.3M$1.3M/yr · 704K searches
Price range
Great$9.47–$34.93cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Good$14.18avg listing price — sweet spot $15–$100
Growth
Good+22.2%90-day search growth — must beat 0% to launch
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay87%top-5 brand share — brands hold most of the demand
Returns
Bad5.5%return rate — above 5% kills the launch gate
Competition
Bad74%top-5 click share — a locked-up shelf
Review moat
Bad10,848.54avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, cast covers for shower arm is a $1.3M/yr Amazon United States market (704K searches/yr). The top 5 brands hold 87% of demand. Verdict: Worth a look — 51/100.
Data updated Jul 14, 2026 · scored weekly · How we score niches
cast covers for shower arm market data
- Units sold / yr
- 100K–125K
- avg 6,000–8,000/product
- Revenue / yr
- $1.4M–$1.8M
- units × avg price
- Conversion rate
- 13.5%
- Avg BSR
- #47
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.5%
- Avg brand age
- 46 months
- Avg seller age
- 162 days
Competition & brand share
The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.Brands
9 falling
Sellers
13
Top-5 brand share
87%
Top 20: 100%
Top-5 click share
74%
Top 20: 100%
Open market
9%
- Mighty-X38%
- EuyiHlybt20%
- CureSquad17%
- Asunby6%
- CIVJET6%
- UpGoing4%
- Open — no brand owns it (3 brands, 9%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +22.2% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Top cast covers for shower arm search terms
- cast covers for shower arm238K/yr
- arm cast covers for shower adult64K/yr
- cast shower cover arm51K/yr
- arm cast cover38K/yr
- waterproof cast cover arm adult36K/yr
- cast cover arm31K/yr
- cast protector for shower arm adult30K/yr
- cast waterproof cover arm19K/yr
- shower sleeve for arm cast26K/yr
- cast bag for shower arm25K/yr
Top cast covers for shower arm 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.
All 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
100% Waterproof Cast Covers for Shower Arm - Tight Seal - 3pk Adult Reusable Cast Protectors - Half Arm Bag Sleeves
Mighty-X$9.974.4★46,385 rev

EuyiHlybt Cast Covers for Shower Arm Waterproof Arm Cast Covers for Shower Adult Reusable Cast Shower Cover Arm Comfortable Cast Protector for Shower Arm Adult Cast Bag for Bandages Dressings
EuyiHlybt$10.084.7★2,141 rev

CureSquad Cast Covers for Shower Arm Waterproof Cast Cover Arm Adult Soft Comfortable Cast Protector for Shower Reusable Elastic Cast Bag for Bandage Wound Care Supplies After Surgery Gifts
CureSquad$14.914.7★3,244 rev

100% Waterproof Cast Covers for Shower Arm - Tight Seal - Reusable Adult Half Arm Cast Protector - Hand Wrist Elbow Forearm - After Surgery Bandage & Dressing Bag Sleeves for Wounds & Burns
Mighty-X$9.474.4★218 rev

CIVJET Cast Covers for Shower Arm Waterproof Cast Cover Arm for Swimming Cast Shower Cover Water Proof Cast Protector for Adult Sleeve for Showering Elbow Hand (Diameter - 6.3)
CIVJET$16.954.4★4,819 rev
Newest
by launch date
100% Waterproof Cast Covers for Shower Arm - Tight Seal - Reusable Adult Half Arm Cast Protector - Hand Wrist Elbow Forearm - After Surgery Bandage & Dressing Bag Sleeves for Wounds & Burns
Mighty-X$9.47218 rev

EuyiHlybt Waterproof Cast Covers for Shower Arm Cast Covers for Shower Adult Reusable Cast Shower Cover Arm Soft Comfortable Cast Protector for Bandages Dressings
EuyiHlybt$11.34625 rev

Waterproof Cast Covers for Shower Arm Kids Water Proof Plastic Sleeve to Cover Arms After Surgery/Wound/Fracture/Bandage/Fingers Sleeves Protector Bag Youth/Toddler Showering Child in Bath Small
mosago$9.88563 rev

EuyiHlybt Cast Covers for Shower Arm Waterproof Arm Cast Covers for Shower Adult Reusable Cast Shower Cover Arm Comfortable Cast Protector for Shower Arm Adult Cast Bag for Bandages Dressings
EuyiHlybt$10.082,141 rev

CIVJET Cast Covers for Shower Arm Waterproof Cast Cover Arm for Swimming Cast Shower Cover Water Proof Cast Protector for Adult Sleeve for Showering Elbow Hand (Diameter - 6.3)
CIVJET$16.954,819 rev
Trending
90-day click momentum
100% Waterproof Cast Covers for Shower Arm - Tight Seal - Reusable Adult Half Arm Cast Protector - Hand Wrist Elbow Forearm - After Surgery Bandage & Dressing Bag Sleeves for Wounds & Burns
Mighty-X$9.474.4★

Cast Covers for Shower Arm Waterproof Adult Soft Comfortable Cast Protector for Broken Arm Wrist Hand Reusable Sleeve Bags for Bandage & Wound Care Keep Wound Dry Post-Surgery Gift(Half Arm)
Asunby$11.584.6★

BLOCCS 100% Waterproof Cast Covers for Shower Arm Kids- Swim Cover Cast Bag for Bath. Durable Cast Sleeve for Swimming - #CA79-M - Child Arm (Medium)
BLOCCS$34.934.5★

CastCoverz! Designer Arm Cast Cover - Black - Medium Short: 11 Length X 9 Circumference - Removable and Washable - Made in USA
CastCoverz!$18.874.2★

100% Waterproof Cast Covers for Shower Arm - Tight Seal - 3pk Adult Reusable Cast Protectors - Half Arm Bag Sleeves
Mighty-X$9.974.4★
What buyers say about cast covers for shower arm
What buyers praise and complain about, mined from review topics.What buyers love
“Absolutely waterproof”
“Excellent Product”
“It straight up worked”
“Easy to put on”
“COMPLETELY KEEPS YOU DRY”
“As advertised”
“Did not leak”
“One size fits all”
“Great value”
“Durable, easy to use”
What buyers complain about
“Didnt fit”
“It does not keep water out”
“Difficult to use”
“It leaks somewhere”
“made my arm hurt”
“The rubber band broke after 3 weeks”
“That never worked very well”
“Thin material”
“would stretch out”
“Completely dry”
Top return reasons
Common questions
- Is cast covers for shower arm profitable to sell on Amazon United States?
- The niche generates $1.3M/yr across 13 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +22.2%. Flapen's verdict: Worth a look (51/100).
- How competitive is the cast covers for shower arm niche?
- 9 brands and 13 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 87% of demand.
- What do buyers complain about in cast covers for shower arm?
- Top complaints mined from reviews: Size-Overall, Water Resistance, Ease Of Use. The return rate is 5.5% — above our launch gate.
- When does demand for cast covers for shower arm peak?
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- What does it cost to enter the cast covers for shower arm niche?
- Listings span $9.47–$34.93; the average listing price is $14.18 (sweet spot $15–$100). The average incumbent carries 10,849 reviews — the moat a new listing must climb.