cast covers for shower arm kids
Worth a lookShows demand growing +103.4% this quarter, but high returns (7.4%) keeps it on the watch list.
Growth
Great+103.4%90-day search growth — must beat 0% to launch
Avg price
Great$16.51avg listing price — sweet spot $15–$100
Conversion
Great7.5%search→purchase rate — share of searches ending in a sale
Price range
Great$8.77–$34.93cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Market size
Good$304K$304K/yr · 246K searches
Brand share
Okay84%top-5 brand share — brands hold most of the demand
Review moat
Okay3,032.25avg incumbent reviews — the moat a new listing must climb
Competition
Okay66%top-5 click share — leaders hold, buyers still browse
Returns
Bad7.4%return rate — above 5% kills the launch gate
According to Flapen's Amazon United States niche tracking, cast covers for shower arm kids is a $304K/yr Amazon United States market (246K searches/yr). The top 5 brands hold 84% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Worth a look — 54/100.
Data updated Jul 14, 2026 · scored weekly · How we score niches
cast covers for shower arm kids market data
- Units sold / yr
- 20K–25K
- avg 1,000–1,250/product
- Revenue / yr
- $330K–$413K
- units × avg price
- Conversion rate
- 7.5%
- Avg BSR
- #100
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.3%
- Avg brand age
- 46 months
- Avg seller age
- 158 days
Competition & brand share
The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.Brands
11 falling
Sellers
15
Top-5 brand share
84%
Top 20: 100%
Top-5 click share
66%
Top 20: 100%
Open market
12%
- BLOCCS27%
- Asunby19%
- mosago17%
- VALLEYWIND17%
- CureSquad4%
- quiheat4%
- Open — no brand owns it (5 brands, 12%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +103.4% search growth over the last 90 days.Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 3.6×
Top cast covers for shower arm kids search terms
- waterproof cast cover arm kids59K/yr
- cast covers for shower arm kids41K/yr
- arm cast protector for shower kids21K/yr
- kids cast cover14K/yr
- cast protector for shower arm child14K/yr
- kids cast covers for shower arm14K/yr
- water proof cast cover arm kids8K/yr
- arm cast cover kids9K/yr
- kids cast cover for swimming7K/yr
- toddler cast cover arm7K/yr
Top cast covers for shower arm kids 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 16 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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★5,769 rev
VALLEYWIND Kids Arm Cast Cover for Shower Bath Teens Waterproof and Watertight Cast Bandage Protector Bag for Broken Surgery Wound Arm Hands Wrists Protector Bag (S-17.5inches)
VALLEYWIND$9.914.4★3,560 rev
Kids Cast Covers for Shower Arm Waterproof Soft comfortable Teens Bandage Protector for Broken Hand Wrist Finger Elbow Sleeves Protector Bag for Youth/Toddler Showering Cilld in Bath to Keep Wounds Dry(Half Arm)
Asunby$14.064.6★12,348 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$9.884.5★563 rev
BLOCCS 100% Waterproof Cast Covers for Shower Arm Kids- Swim Cover Cast Bag for Bath. Durable Cast Sleeve for Swimming - #CA79-S - Child Arm (Small)
BLOCCS$34.574.6★2,824 rev
Newest
by launch date
quiheat Kids Waterproof Arm Cast Covers for Shower & Bath Reusable Arm Cast Protector to Keep Cast Dry Comfortable & Durable for Daily Use After Surgery Broken Arm Wound or Bandage (Arm-M)
quiheat$10.1223 rev
100% Waterproof Cast Covers for Shower Arm Kids - Tight Seal - Reusable Child Half Arm Cast Protector - Hand Wrist Elbow Forearm - After Surgery Bandage & Dressing Bag Sleeves for Wounds & Burns
Mighty-X$8.77218 rev
Drykins Kids Cast Cover for Shower Arm Waterproof Arm Sleeve with Leak-Proof Silicone Seal Reusable Unicorn Design for Children (Fits Arms up to 17.3 Long & 6.78.7 Circumference Ages 49)
Drykins$22.9063 rev
EuyiHlybt Waterproof Cast Cover Arm Kids for Swimming Cute Panda Pattern Cast Covers for Shower Arm Kids Soft Comfortable Cast Protector for Shower Child Reusable Pediatric Cast Waterproof Cover
EuyiHlybt$12.24206 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
Trending
90-day click momentumquiheat Kids Waterproof Arm Cast Covers for Shower & Bath Reusable Arm Cast Protector to Keep Cast Dry Comfortable & Durable for Daily Use After Surgery Broken Arm Wound or Bandage (Arm-M)
quiheat$10.124.2★
100% Waterproof Cast Covers for Shower Arm Kids - Tight Seal - Reusable Child Half Arm Cast Protector - Hand Wrist Elbow Forearm - After Surgery Bandage & Dressing Bag Sleeves for Wounds & Burns
Mighty-X$8.774.4★
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★
EuyiHlybt Waterproof Cast Cover Arm Kids for Swimming Cute Panda Pattern Cast Covers for Shower Arm Kids Soft Comfortable Cast Protector for Shower Child Reusable Pediatric Cast Waterproof Cover
EuyiHlybt$12.244.0★
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$9.884.5★
What buyers say about cast covers for shower arm kids
What buyers praise and complain about, mined from review topics.What buyers love
“COMPLETELY water proof”
“Excellent product”
“It's snug,”
“Works great, helped my kiddo take a bath”
“Easy to use”
“worked as advertised”
“It does not leak”
“Good deal”
“It is durable”
“it stayed perfectly dry”
What buyers complain about
“It is extremely big”
“Not Water-Proof”
“Not very durable”
“Was a bit hard to put on”
“Does not perform as intended”
“Leaks”
“Low Quality”
“but it was always dry when I took it off”
“It's going to be way less flimsy than the cheaper versions”
“Product details inaccurate”
Top return reasons
Common questions
- Is cast covers for shower arm kids profitable to sell on Amazon United States?
- The niche generates $304K/yr across 16 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +103.4%. Flapen's verdict: Worth a look (54/100).
- How competitive is the cast covers for shower arm kids niche?
- 11 brands and 15 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 84% of demand.
- What do buyers complain about in cast covers for shower arm kids?
- Top complaints mined from reviews: Size-Overall, Water Resistance, Durability. The return rate is 7.4% — above our launch gate.
- When does demand for cast covers for shower arm kids peak?
- Demand peaks in May–Jun–Jul–Aug; the busiest month runs 3.6× the quietest.
- What does it cost to enter the cast covers for shower arm kids niche?
- Listings span $8.77–$34.93; the average listing price is $16.51 (sweet spot $15–$100). The average incumbent carries 3,032 reviews — the moat a new listing must climb.