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Glass Cups

Glass Cups shows no brand lock-in (top 5 brands take 31% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Flapen Score

62
Worth a look

Top 14% of 5,777 Home & Garden niches · +11 vs the category median of 51

Market size 53Growth 12Conversion 44Competition 95Returns 90Price range 51Avg price 51Brand share 96Review moat 49Quality gap 76
This niche Category average · 5,777 niches

Is Glass Cups profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Glass Cups is a £336K/yr Amazon United Kingdom market (792K searches/yr). The top 5 brands hold 31% of demand. Demand peaks in Jan–Nov–Dec. Verdict: Worth a look — 62/100.

Glass Cups: 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 -25.3% over the last 90 days and 3.5% of searches end in a purchase.

£336K

revenue / yr

Units sold / yr30K
Search volume / yr-25.3%792K
Conversion rate3.5%
Avg price£12.08

Who owns the niche?

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

69%

open market share

Brands · sellers66 · 100
Top-5 product click share20%
Open market69%
Avg brand age37 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 · 100 products

Sponsored placement84%
New entrants (1y)18· 1 succeeded
Avg rating4.3★
Avg reviews1,626

Top Glass Cups 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 (20% combined) — an open shelf where new products get seen.

£0£7K£13K£20K£27K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

66 falling

Sellers

100

Top-5 brand share

31%

Top 20: 67%

Top-5 click share

20%

Top 20: 50%

Open market

66%

  • glastal8%
  • ecooe7%
  • ANSIO7%
  • Straame5%
  • D.M DESIGN·MASTER4%
  • Ravenhead3%

Glass Cups demand & seasonality

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

Volume792KCVR3.5%Products100Brands66Top 5 Brands31%OOS Rate6.9%Rating4.3★Reviews1,626Avg BSR#129
30K20KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25Holiday '25SepDecMarJunAugNovMarMay

Peak months: Jan, Nov, Dec · busiest ÷ quietest = 2.7×

Top Glass Cups search terms shoppers use

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

  • glass cups118K/yr
  • latte glasses120K/yr
  • double walled glass mugs73K/yr
  • glass cup78K/yr
  • glass mug72K/yr
  • glass tea cups44K/yr
  • glass mugs for hot drinks with handles51K/yr
  • double walled coffee mug75K/yr
  • glass tea cup19K/yr
  • glass cups for hot drinks19K/yr

What reviews say buyers love and hate about Glass Cups

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

What buyers love

77% of reviews
Quality-Overall21%

Good quality cups

Value For Money14%

Excellent Value

Size-Overall12%

Cute size

Temperature Retention7%

They really keep your coffee warm

Design-Overall6%

They are really well designed with a nice shape to them

What buyers complain about

71% of reviews
Quality-Overall15%

BAD QUALITY

Size-Overall14%

Too small

Durability12%

Broke within a week

Strength9%

Very Fragile

Thickness7%

Glass isn't thick enough

Glass Cups return rate & reasons

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

1.2%

Return rate

72%

Fixable by listing

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

1Size-Overall
62%
2Quality-Overall
7%
3Material Quality
5%
4Defective Material/Parts
3%
5Thin
3%

Common Glass Cups questions

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

Flapen scores Glass Cups 62/100 on Amazon United Kingdom — Worth a look. The niche generates £336K/yr across 100 tracked products. 1 of 18 products launched in the last 360 days are still selling. Search demand moved -25.3% over the last 90 days.
Search demand for Glass Cups on Amazon United Kingdom peaks in Jan–Nov–Dec, where the busiest month runs 2.7× the quietest.