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White Screw Caps

White Screw Caps shows low returns (0.5%), but prices mostly outside the sweet spot ($2.52–$9.98) keeps it on the watch list.

Flapen Score

50
Worth a look
Market size 22Growth 20Conversion 86Competition 39Returns 98Price range 0Avg price 11Brand share 72Review moat 86Quality gap 77
This niche Category average

Is White Screw Caps profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, White Screw Caps is a £88K/yr Amazon United Kingdom market (230K searches/yr). The top 5 brands hold 62% of demand. Demand peaks in Mar. Verdict: Worth a look — 50/100.

White Screw Caps: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved -9.8% over the last 90 days and 9.8% of searches end in a purchase.

£88K

revenue / yr

Units sold / yr25K
Search volume / yr-9.8%230K
Conversion rate9.8%
Avg price£3.91

Who owns the niche?

The top 5 brands hold 62% of demand, so 38% of the market is open.

38%

open market share

Brands · sellers22 · 38
Top-5 product click share62%
Open market38%
Avg brand age28 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.3★ — the gap to enter on.

0/100

page quality · 23 products

Sponsored placement61%
New entrants (1y)6· 0 succeeded
Avg rating4.3★
Avg reviews277

Top White Screw Caps products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.

£0£9K£18K£26K£35K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

22 falling

Sellers

38

Top-5 brand share

62%

Top 20: 97%

Top-5 click share

62%

Top 20: 96%

Open market

35%

  • Merriway24%
  • SCARFELL18%
  • Falcon Workshop Supplies Ltd9%
  • Gunwon6%
  • Nurlidoxis3%
  • DAJING3%

White Screw Caps demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume230KCVR9.8%Products23Brands22Top 5 Brands62%OOS Rate3.3%Rating4.3★Reviews277Avg BSR#799
5K3KSpike '25Spike '26DecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Mar · busiest ÷ quietest = 2.2×

Top White Screw Caps search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • screw caps41K/yr
  • white screw caps30K/yr
  • screw caps white25K/yr
  • screw covers21K/yr
  • screw covers white19K/yr
  • white screw covers16K/yr
  • plastic caps for screws16K/yr
  • plastic screw caps10K/yr
  • screw cover caps8K/yr
  • white plastic caps5K/yr

What reviews say buyers love and hate about White Screw Caps

What buyers mention most, as a share of all reviews.

What buyers love

94% of reviews
Value For Money23%

Good value

Quality-Overall18%

Excellent product

Advertised Vs Actual Product15%

As advertised

Size-Overall15%

Fits well

Adhesion/Stickiness7%

Work well stick well

What buyers complain about

94% of reviews
Quality-Overall22%

Poor quality

Color21%

They are not white

Size-Overall20%

small

Value For Money8%

Cheaper than buying from the manufacturer of the car

Durability4%

Falls off after a while

White Screw Caps return rate & reasons

Why buyers send it back, as a share of all return requests.

0.5%

Return rate

79%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Size-Overall
62%
2Color
10%
3Adhesion/Stickiness
6%
4Functionality-Overall
5%
5Advertised Vs Actual Product
3%

Common White Screw Caps questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores White Screw Caps 50/100 on Amazon United Kingdom — Worth a look. The niche generates £88K/yr across 23 tracked products. 0 of 6 products launched in the last 360 days are still selling. Search demand moved -9.8% over the last 90 days.
Search demand for White Screw Caps on Amazon United Kingdom peaks in Mar, where the busiest month runs 2.2× the quietest.