cast tape
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Avg price
Good$13.34avg listing price — sweet spot $15–$100
Growth
Good+20.6%90-day search growth — must beat 0% to launch
Price range
Okay$8.48–$20.93cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Okay5.0%return rate — above 5% kills the launch gate
Review moat
Bad6,230.38avg incumbent reviews — the moat a new listing must climb
Competition
Bad87%top-5 click share — a locked-up shelf
Market size
Bad$38K$38K/yr · 801K searches
Conversion
Bad0.4%search→purchase rate — share of searches ending in a sale
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, cast tape is a $38K/yr Amazon United States market (801K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jul. Verdict: Skip it — 28/100.
Data updated Jul 14, 2026 · scored weekly · How we score niches
cast tape market data
- Units sold / yr
- 4K–5K
- avg 100–250/product
- Revenue / yr
- $53K–$67K
- units × avg price
- Conversion rate
- 0.4%
- Avg BSR
- #25
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 75%
- Out of stock
- 0.4%
- Avg brand age
- 59 months
- Avg seller age
- 169 days
Competition & brand share
The top 5 products capture 87% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 falling
Sellers
17
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
87%
Top 20: 100%
Open market
0%
- CastCoverz!61%
- Scotchcast Plus22%
- Mighty-X8%
- Geiserailie5%
- 3M4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +20.6% search growth over the last 90 days.Peak months: Jul · busiest ÷ quietest = 4.9×
Top cast tape search terms
- cast724K/yr
- fiberglass casting tape15K/yr
- cast tape15K/yr
- casting tape10K/yr
- fiberglass cast tape7K/yr
- cast material6K/yr
- cast kit for broken bones5K/yr
- cast material for broken bone5K/yr
- casting material4K/yr
- fiberglass cast4K/yr
Top cast tape 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 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
CastCoverz! Designer Arm Cast Cover - Black - Large Short: 13 Length X 13 Circumference - Removable and Washable - Made in USA
CastCoverz!$20.934.2★1,285 rev

3M Scotchcast Plus Cast Tape 3 Inch X 12 Foot Fiberglass Black 82003A - One Roll
Scotchcast Plus$9.664.4★222 rev

Scotchcast Plus Cast Tape 2 Inch X 12 Foot Fiberglass Bright Pink 82002X - ONE ROLL
Scotchcast Plus$8.574.2★154 rev

CastCoverz! Designer Arm Cast Cover - Black - Small Short: 7 Length X 7 Circumference - Removable and Washable - Made in USA
CastCoverz!$18.584.2★1,285 rev

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
Newest
by launch date
Geiserailie 4 Rolls Black Fiberglass Casting Tape 2 in 12 Ft Cast Orthopedic Moldable Medical Casting Tape
Geiserailie$20.8227 rev

Scotchcast Plus Cast Tape 2 Inch X 12 Foot Fiberglass Bright Pink 82002X - ONE ROLL
Scotchcast Plus$8.57154 rev

Scotchcast Plus Cast Tape 2 Inch X 12 Foot Fiberglass Blue 82002B - ONE ROLL
Scotchcast Plus$8.4872 rev

3M Scotchcast Plus Cast Tape 3 Inch X 12 Foot Fiberglass Black 82003A - One Roll
Scotchcast Plus$9.66222 rev

100% Waterproof Cast Covers for Shower Arm - Tight Seal - 3pk Adult Reusable Cast Protectors - Half Arm Bag Sleeves
Mighty-X$9.9746,385 rev
Trending
90-day click momentum
100% Waterproof Cast Covers for Shower Arm - Tight Seal - 3pk Adult Reusable Cast Protectors - Half Arm Bag Sleeves
Mighty-X$9.974.4★

CastCoverz! Designer Arm Cast Cover - Black - Small Short: 7 Length X 7 Circumference - Removable and Washable - Made in USA
CastCoverz!$18.584.2★

Geiserailie 4 Rolls Black Fiberglass Casting Tape 2 in 12 Ft Cast Orthopedic Moldable Medical Casting Tape
Geiserailie$20.824.5★

CastCoverz! Designer Arm Cast Cover - Black - Large Short: 13 Length X 13 Circumference - Removable and Washable - Made in USA
CastCoverz!$20.934.2★

3M Scotchcast Plus 82003A Casting Tape 3 Inches X 4 Yards - Roll Black 1 Count
3M$9.754.3★
What buyers say about cast tape
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to use”
“I saw it had great reviews”
“Waterproof sleeve work great”
“As advertised”
“Works well”
“Did not leak”
“Great value”
“Perfect dryness”
“easy to fit on”
“very durable for multiple use”
What buyers complain about
“he's a little bit bigger”
“Difficult to use”
“No water”
“Had my doubts as seemed thin”
“These cast covers really did not work for me”
“Trash”
“It all came off over a week”
“This is not a snug fit as pictured”
“I would pay more for a more durable material”
“Leaking”
Top return reasons
Common questions
- Is cast tape profitable to sell on Amazon United States?
- The niche generates $38K/yr across 8 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +20.6%. Flapen's verdict: Skip it (28/100).
- How competitive is the cast tape niche?
- 5 brands and 17 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in cast tape?
- Top complaints mined from reviews: Size-Overall, Ease Of Use, Water Resistance. The return rate is 5.0%.
- When does demand for cast tape peak?
- Demand peaks in Jul; the busiest month runs 4.9× the quietest.
- What does it cost to enter the cast tape niche?
- Listings span $8.48–$20.93; the average listing price is $13.34 (sweet spot $15–$100). The average incumbent carries 6,230 reviews — the moat a new listing must climb.