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54

enduroshield for shower glass

Worth a look

Shows low returns (0.3%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.

Market size 75Growth 30Conversion 96Competition 14Returns 99Price range 76Avg price 77Brand share 0Review moat 24Quality gap 73

Returns

Incredible0.3%

return rate — above 5% kills the launch gate

Conversion

Incredible13.2%

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

Avg price

Great$15.93

avg listing price — sweet spot $15–$100

Price range

Great$5.99–$44.27

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

Market size

Good$848K

$848K/yr · 402K searches

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Growth

Okay+4.3%

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

Review moat

Bad6,084.45

avg incumbent reviews — the moat a new listing must climb

Competition

Bad83%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, enduroshield for shower glass is a $848K/yr Amazon United States market (402K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Worth a look — 54/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

enduroshield for shower glass market data

Units sold / yr
40K–50K
avg 3,000–4,000/product
Revenue / yr
$637K–$797K
units × avg price
Conversion rate
13.2%
Avg BSR
#59
Page quality
0%
Prime
91%
Sponsored
55%
Out of stock
0.0%
Avg brand age
54 months
Avg seller age
155 days

Competition & brand share

The top 5 products capture 83% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 flat

Sellers

37

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

83%

Top 20: 100%

Open market

0%

  • Rain-X88%
  • EnduroShield9%
  • Clean-X3%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +4.3% search growth over the last 90 days.
9K7KSpike '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 3.8×

Top enduroshield for shower glass search terms

  • rain x shower door water repellent85K/yr
  • rainx for shower glass door48K/yr
  • rainex rain repellent for shower doors26K/yr
  • enduroshield for shower glass29K/yr
  • rain x shower door cleaner26K/yr
  • shower glass water repellent27K/yr
  • rainx shower door water repellent19K/yr
  • shower door water repellent21K/yr
  • rain-x shower door water repellent13K/yr
  • rainx shower door cleaner14K/yr
All search terms

Top enduroshield for shower glass 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%15%$127K30%$254K45%$381K60%$509K1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 11 tracked products in this niche — three views at once, no toggling.

What buyers say about enduroshield for shower glass

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

What buyers love

Ease Of Cleaning19%

“Cleans up good”

Efficiency17%

“worked really great on my car”

Advertised Vs Actual Product11%

“Product is as described”

Quality-Overall9%

“Excellent product”

Value For Money8%

“Worth it”

Ease Of Use6%

“Easy to use”

Durability2%

“It holds up”

Water Resistance2%

“An effective water protectant for glass”

Wet Cleaning2%

“Keep the soap scum from sticking”

Smell2%

“The product is fragrance free too”

What buyers complain about

Functionality-Overall19%

“Didn't work”

Ease Of Cleaning13%

“Worst cleaning product Ive ever bought”

Value For Money10%

“I just wish it was a bit cheaper”

Durability6%

“doesn't last”

Smell6%

“Smells bad”

Windshield Issues6%

“Not recommended windshield getting dirty”

Quality-Overall5%

“The problem comes with quality control is not being done”

Stain Resistance5%

“however it doesnt seem to clean them or keep them from getting water stains”

Ease Of Use3%

“Simple: it doesn't work”

Water Resistance2%

“Does not effectively repel water on the shower door”

Top return reasons

Leak-Proof24%
Functionality-Overall21%
Wet Cleaning13%
Advertised Vs Actual Product9%
Windshield Issues5%
Defective Material/Parts5%
Ease Of Cleaning5%
Value For Money3%
Stain Resistance3%
Smell1%

Common questions

Is enduroshield for shower glass profitable to sell on Amazon United States?
The niche generates $848K/yr across 11 tracked products. 90-day search growth is +4.3%. Flapen's verdict: Worth a look (54/100).
How competitive is the enduroshield for shower glass niche?
3 brands and 37 sellers compete. The top 5 products take 83% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in enduroshield for shower glass?
Top complaints mined from reviews: Functionality-Overall, Ease Of Cleaning, Value For Money. The return rate is 0.3%.
When does demand for enduroshield for shower glass peak?
Demand peaks in May–Jun–Jul–Aug; the busiest month runs 3.8× the quietest.
What does it cost to enter the enduroshield for shower glass niche?
Listings span $5.99–$44.27; the average listing price is $15.93 (sweet spot $15–$100). The average incumbent carries 6,084 reviews — the moat a new listing must climb.