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Stainless Steel Cup

Stainless Steel Cup shows no brand lock-in (top 5 brands take 31% of clicks), but a small market ($50K/yr) keeps it on the watch list.

Flapen Score

55
Worth a look
Market size 13Growth 34Conversion 35Competition 90Returns 91Price range 44Avg price 53Brand share 96Review moat 50Quality gap 47
This niche Category average

Is Stainless Steel Cup profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Stainless Steel Cup is a £50K/yr Amazon United Kingdom market (146K searches/yr). The top 5 brands hold 31% of demand. Verdict: Worth a look — 55/100.

Stainless Steel Cup: 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 +7.4% over the last 90 days and 2.8% of searches end in a purchase.

£50K

revenue / yr

Units sold / yr4K
Search volume / yr+7.4%146K
Conversion rate2.8%
Avg price£12.38

Who owns the niche?

The top 5 brands hold 31% of demand, so 69% of the market is open.

69%

open market share

Brands · sellers58 · 97
Top-5 product click share25%
Open market69%
Avg brand age41 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.

0/100

page quality · 77 products

Sponsored placement87%
New entrants (1y)13· 1 succeeded
Avg rating4.5★
Avg reviews1,523

Top Stainless Steel Cup 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

Clicks spread well past the top 5 (25% combined) — an open shelf where new products get seen.

£0£1K£2K£3K£4K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

58 rising

Sellers

97

Top-5 brand share

31%

Top 20: 76%

Top-5 click share

25%

Top 20: 64%

Open market

64%

  • Hejo8%
  • Bncxdc8%
  • Elk and Friends5%
  • CherryKelly5%
  • WENLISELL5%
  • Tebery5%

Stainless Steel Cup demand & seasonality

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

Volume146KCVR2.8%Products77Brands58Top 5 Brands31%OOS Rate7.3%Rating4.5★Reviews1,523Avg BSR#420
5K4KPrime Day '25Black Friday '25Spike '26MayJunJulAugSepOctNovDecJanFebMarAprMayJun

No pronounced peak months · busiest ÷ quietest = 1.3×

Top Stainless Steel Cup search terms shoppers use

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

  • stainless steel cup28K/yr
  • stainless steel cups21K/yr
  • metal cup22K/yr
  • stainless steel mug22K/yr
  • metal cups13K/yr
  • stainless steel cups for kids9K/yr
  • steel cup8K/yr
  • steel mug6K/yr
  • stainless steel mugs5K/yr
  • steel cups4K/yr

What reviews say buyers love and hate about Stainless Steel Cup

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

What buyers love

79% of reviews
Quality-Overall27%

Good quality cups

Temperature Retention12%

it stayed cold all day

Size-Overall7%

Good size

Advertised Vs Actual Product7%

As per description

Ease Of Cleaning6%

And great cleaning gadgets included

What buyers complain about

66% of reviews
Leak-Proof19%

Leak

Size-Overall10%

did not fit well

Temperature Control7%

Not suitable for hot drinks

Quality-Overall6%

Cheap for a reason

Value For Money6%

rather expensive for these rather small

Stainless Steel Cup return rate & reasons

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

1.2%

Return rate

65%

Fixable by listing

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

1Size-Overall
48%
2Leak-Proof
13%
3Quality-Overall
4%
4Defective Material/Parts
3%
5Material Quality
3%

Common Stainless Steel Cup questions

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

Flapen scores Stainless Steel Cup 55/100 on Amazon United Kingdom — Worth a look. The niche generates £50K/yr across 77 tracked products. 1 of 13 products launched in the last 360 days are still selling. Search demand moved +7.4% over the last 90 days.
Search demand for Stainless Steel Cup on Amazon United Kingdom is steady year-round — the busiest month runs 1.3× the quietest.