Is dialysis catheter shower cover profitable to sell on Amazon United States?

The niche generates $57K/yr across 23 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is +0.3%. Flapen's verdict: Skip it (48/100).

How competitive is the dialysis catheter shower cover niche?

13 brands and 19 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 84% of demand.

What do buyers complain about in dialysis catheter shower cover?

Top complaints mined from reviews: Adhesion/Stickiness, Water Resistance, Allergies. The return rate is 1.8%.

When does demand for dialysis catheter shower cover peak?

Demand is steady year-round — the busiest month runs 1.3× the quietest.

What does it cost to enter the dialysis catheter shower cover niche?

Listings span $8.96–$28.03; the average listing price is $16.87 (sweet spot $15–$100). The average incumbent carries 830 reviews — the moat a new listing must climb.

dialysis catheter shower cover

Skip it

A small market ($57K/yr) — this niche doesn't clear our bar today.

Returns

Great1.8%

return rate — above 5% kills the launch gate

Avg price

Great$16.87

avg listing price — sweet spot $15–$100

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Price range

Good$8.96–$28.03

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

Review moat

Good829.7

avg incumbent reviews — the moat a new listing must climb

Conversion

Good5.5%

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

Competition

Okay58%

top-5 click share — leaders hold, buyers still browse

Brand share

Okay84%

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

Growth

Okay+0.3%

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

Market size

Bad$57K

$57K/yr · 61K searches

According to Flapen's Amazon United States niche tracking, dialysis catheter shower cover is a $57K/yr Amazon United States market (61K searches/yr). The top 5 brands hold 84% of demand. Verdict: Skip it — 48/100.

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

dialysis catheter shower cover market data

Units sold / yr: 3K–4K; avg 100–250/product
Revenue / yr: $51K–$67K; units × avg price
Conversion rate: 5.5%
Avg BSR: #611
Page quality: 0%
Prime: 100%
Sponsored: 91%
Out of stock: 1.8%
Avg brand age: 40 months
Avg seller age: 189 days

Competition & brand share

The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 falling

Sellers

Top-5 brand share

84%

Top 20: 100%

Top-5 click share

58%

Top 20: 97%

Open market

12%

Hola Health27%
DiaBelt25%
JJ CARE18%
COTOM9%
MandMcares5%
Artojoy4%
Open — no brand owns it (7 brands, 12%)

Demand & seasonality

Weekly Amazon search volume, last 67 weeks — +0.3% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.3×

Open Trend

Top dialysis catheter shower cover search terms

dialysis catheter shower cover36K/yr +6.9%4.4% conv.
port covers for showering7K/yr -12.2%4.3% conv.
dialysis port shower cover8K/yr +0.7%4.6% conv.
chemo port shower cover4K/yr +23.9%2.4% conv.
dialysis shower cover4K/yr -11.4%4.5% conv.
catheter shower cover waterproof3K/yr -65.3%5.3% conv.

All search terms

Top dialysis catheter shower cover 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 23 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Waterproof Dialysis Catheter Shower Cover Large Coverage Shields for Peritoneal Dialysis Port Accessories PD Chest Catheter Central PICC Line Feeding Tube 10x12(Pack of 25)

DiaBelt$24.174.3★625 rev

Shower Protector [Pack of 14] 9x9 Dialysis Catheter Shower Shileds Wound Cover PICC Line Water Barrier Colostomy Waterproof Bandage Protector 2 Week Supply

JJ CARE$28.034.2★1,147 rev

Waterproof Shower Protector | 10x12 Inch Dialysis Catheter Shower Cover Large | Without Glue in The Center for Chest Chemo Port Picc Line PD Peritoneal Dialysis Accessories Bandage (Pack of 7)

Hola Health$12.654.2★477 rev

Waterproof Shower Cover Shields Dialysis Port Picc Line Chest Catheter PD Peritoneal Dialysis Chemo Non-Stick Center Pad for Feeding Tube Peg G-Tube Patient Bandage Protector 10x10(Pack of 25)

Hola Health$26.284.5★408 rev

15Pcs 10.2x10.2 Shower Shields Wound Cover Large Waterproof Protector Bandage with Non-Stick Central Pad Adhesive Dressing Film for Dialysis Catheter Post Surgical PICC Line

COTOM$14.834.7★62 rev

Newest

by launch date

15Pcs 10.2x10.2 Shower Shields Wound Cover Large Waterproof Protector Bandage with Non-Stick Central Pad Adhesive Dressing Film for Dialysis Catheter Post Surgical PICC Line

COTOM$14.8362 rev

4mo ago

25Pcs 10.2x10.2 Shower Shields Wound Cover Large Waterproof Protector Bandage with Non-Stick Central Pad Adhesive Dressing Film for Dialysis Catheter Post Surgical PICC Line

COTOM$23.9262 rev

4mo ago

Artojoy 50 Pcs Waterproof Dialysis Port Shower Cover Shields Tattoo Cover PD Catheter Shower Protector Peritoneal Dialysis Chemo Port Feeding Tube Protector Waterproof Adhesive Bandage(5.9x5.9 Inch)

Artojoy$10.2222 rev

9mo ago

Fanluex Waterproof Ostomy Bag Shower Covers 30 Pack 8x8 Dialysis Catheter Shower Cover Shower Shield Wound Cover with Center Non-Stick Pad Colostomy Bag Covers for Women & Men

Fanluex$20.9434 rev

10mo ago

Waterproof Shower Cover Shields Dialysis Port Picc Line Chest Catheter PD Peritoneal Dialysis Chemo Non-Stick Center Pad for Feeding Tube Peg G-Tube Patient Bandage Protector 10x10(Pack of 25)

Hola Health$26.28408 rev

1y ago

What buyers say about dialysis catheter shower cover

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

What buyers love

Quality-Overall17%

“Good quality dressing”

Water Resistance13%

“Truly waterproof”

Adhesion/Stickiness10%

“Sticks great”

Advertised Vs Actual Product6%

“As Pictured and Described”

Value For Money5%

“Great value”

Efficiency5%

“Works well”

Size-Overall5%

“Perfect size”

Ease Of Use5%

“Easy to remove”

Protection4%

“Extra protection”

Moist/Dry3%

“Good it works, nice and dry”

What buyers complain about

Adhesion/Stickiness19%

“No adhesion”

Water Resistance10%

“Not water proof”

Allergies7%

“Irritates skin”

Size-Overall6%

“part of the shield is very large”

Leak-Proof5%

“They're not leak proof”

Quality-Overall5%

“CHEAPLY MADE PRODUCT”

Functionality-Overall4%

“Doesnt work”

Skin Health4%

“I couldnt get it to stick to my skin”

Ease Of Use4%

“Its really hard to apply them if you try your self on your own you cant”

Pain Relief-Overall3%

“Nasty skin this time and very painful”

Top return reasons

Size-Overall58%

Adhesion/Stickiness18%

Advertised Vs Actual Product6%

Functionality-Overall4%

Water Resistance3%

Thin1%

Quality-Overall1%

Value For Money1%

Ease Of Use1%

Skin Health1%

Common questions

Is dialysis catheter shower cover profitable to sell on Amazon United States?: The niche generates $57K/yr across 23 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is +0.3%. Flapen's verdict: Skip it (48/100).
How competitive is the dialysis catheter shower cover niche?: 13 brands and 19 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 84% of demand.
What do buyers complain about in dialysis catheter shower cover?: Top complaints mined from reviews: Adhesion/Stickiness, Water Resistance, Allergies. The return rate is 1.8%.
When does demand for dialysis catheter shower cover peak?: Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the dialysis catheter shower cover niche?: Listings span $8.96–$28.03; the average listing price is $16.87 (sweet spot $15–$100). The average incumbent carries 830 reviews — the moat a new listing must climb.