glass pens
Skip itPrices mostly outside the sweet spot ($4.00–$17.20) — this niche doesn't clear our bar today.
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Conversion
Great10.0%search→purchase rate — share of searches ending in a sale
Growth
Okay+18.2%90-day search growth — must beat 0% to launch
Brand share
Okay80%top-5 brand share — brands hold most of the demand
Competition
Okay63%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Bad4,264.11avg incumbent reviews — the moat a new listing must climb
Market size
Bad£91K£91K/yr · 124K searches
Avg price
Bad£7.32avg listing price — sweet spot $15–$100
Price range
Bad£4.00–£17.20cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, glass pens is a £91K/yr Amazon United Kingdom market (124K searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 45/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
glass pens market data
- Units sold / yr
- 10K–13K
- avg 250–500/product
- Revenue / yr
- £73K–£92K
- units × avg price
- Conversion rate
- 10.0%
- Avg BSR
- #60
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 15.1%
- Avg brand age
- 39 months
- Avg seller age
- 183 days
Competition & brand share
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.Brands
12 falling
Sellers
18
Top-5 brand share
80%
Top 20: 100%
Top-5 click share
63%
Top 20: 100%
Open market
14%
- STATIONERY ISLAND29%
- ARTISTRO19%
- YITHINC15%
- Artecho9%
- Mitoymia8%
- Betem6%
- Open — no brand owns it (6 brands, 14%)
Demand & seasonality
Weekly Amazon search volume, last 85 weeks — +18.2% search growth over the last 90 days.Peak months: Nov, Dec · busiest ÷ quietest = 3.3×
Top glass pens search terms
- glass pens31K/yr
- rock painting pens13K/yr
- acrylic paint pens for rock painting7K/yr
- acrylic pens for rock painting9K/yr
- glass paint pens13K/yr
- glass pens for glass painting11K/yr
- glass markers8K/yr
- ceramic pens8K/yr
- glass painting pens5K/yr
- stone painting pens3K/yr
Top glass pens 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.
All 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
STATIONERY ISLAND Permanent Acrylic Paint Pens 24 Colours Dual Tip Markers for Rock Pumpkin Stone Glass Ceramic Wood & Fabric Fine & Brush Tip Water Based Paint Pens for Halloween Crafts
STATIONERY ISLAND£6.464.6★2,878 rev
YITHINC Acrylic Paint Pens for Rock Painting Ceramic Metal Paper Glass Canvas Fabric Wood Porcelain Pebble Easter Decoration & Crafts Pumpkin Painting Kit Acrylic Markers for Adults(28 Colors)
YITHINC£6.294.4★3,777 rev
ARTISTRO 24 Acrylic Paint Pens for Fabric Rock Wood Glass Easter Decoration & Crafts Dual Tip (Dot & Fine) Paint Markers for Adults Teens Kids - Art Supplies
ARTISTRO£7.064.5★8,389 rev
Artecho Acrylic Paint Pens 24 Colors Dual Tip Acrylic Paint Markers with Brush Tip and Fine Tip for Rock Painting Glass Paper Wood Egg Canvas Ceramic Fabric leather DIY Crafts
Artecho£6.444.7★2,031 rev
ARTISTRO Acrylic Paint Markers for Fabric Rock Wood Glass Craft - 24 Quick Dry Dual-Tip Fabric Paint Pens for Halloween Decorations - Pumpkin Painting Kit Art Supplies Christmas Gift
ARTISTRO£6.924.5★6,892 rev
Newest
by launch date
Jmoryd 24 Acrylic Paint Pens Colouring Pens Books Felt Tips for Adults Markers Brush Tip and Fine Tip for Rock Painting stones wood ceramics glass pens ideal for DIY crafts and art supplies
Jmoryd£4.00240 rev
Betem 24 Colors Dual Tip Acrylic Paint Pens Markers - Premium Water-Based Art Pens - Acrylic Paint Markers for Fabric Rock Wood Glass Eggs Canvas Ceramic Art Supplies Fabric Paint Markers
Betem£8.4321,167 rev
Acrylic Paint Pens Dual Tip Acrylic Markers for Rock Painting Stone Ceramic Metal Glass Canvas Fabric Wood Pebble Easter Decoration & Crafts Pumpkin Painting Kit Art Crafts for Adults(24 Colors)
YITHINC£6.254,218 rev
Acrylic Paint Pens 68 Colors Dual Tip Acrylic Paint Markers for Rock Painting Glass Ceramic Stone Wood Egg Canvas - Fine & Brush Tip DIY Crafts
HYNEXLK£17.20323 rev
STATIONERY ISLAND Permanent Acrylic Paint Pens 24 Colours Dual Tip Markers for Rock Pumpkin Stone Glass Ceramic Wood & Fabric Fine & Brush Tip Water Based Paint Pens for Halloween Crafts
STATIONERY ISLAND£6.462,878 rev
Trending
90-day click momentumAcrylic Paint Pens 68 Colors Dual Tip Acrylic Paint Markers for Rock Painting Glass Ceramic Stone Wood Egg Canvas - Fine & Brush Tip DIY Crafts
HYNEXLK£17.204.7★
Zenacolor 24 Acrylic Paint Markers - Dual Tip (Fine Brush Tip) - Acrylic Paint Pens for Wood Canvas Stone Rock Painting Glass Ceramic Surfaces DIY Crafts Making Art Supplies.
Zenacolor£6.634.6★
Mitoymia Acrylic Paint Pens Markers for Rock Painting Glass Stone Wood pebble Ceramic Craft Supplies 18 Vibrant Colors Acrylic Pens for Easter Egg Pumpkins for Adults
Mitoymia£4.184.5★
Acrylic Paint Pens Dual Tip Acrylic Markers for Rock Painting Stone Ceramic Metal Glass Canvas Fabric Wood Pebble Easter Decoration & Crafts Pumpkin Painting Kit Art Crafts for Adults(24 Colors)
YITHINC£6.254.7★
Artecho Acrylic Paint Pens 60 Colors Dual Tip Acrylic Paint Markers with Brush Tip and Fine Tip for Rock Painting Glass Paper Wood Egg Canvas Ceramic Fabric leather DIY Crafts
Artecho£13.024.6★
What buyers say about glass pens
What buyers praise and complain about, mined from review topics.What buyers love
“Colours are bright”
“Lovely colour selection and good quality”
“Good for the price”
“Easy to use”
“Nice set of pens”
“as these pens draw so smoothly”
“Dries quickly”
“Fine tip one end”
“clean to use”
“Worked well”
What buyers complain about
“Not the same colours”
“Dont work”
“Overpriced for the quality”
“a couple of the ones broke instantly”
“However, four so far of the pens are dry and dont work”
“Poor colour selection, in mine all the blues are very similar, no dark blue, browns also similar - cheap”
“disappointed at the way the pen tip falls apart while colouring not ideal when trying to stay in the line”
“Half full and misleading”
“I wouldn't have been bothered if it wasn't a gift for someone else”
“whole it takes a while to dry that is expected”
Top return reasons
Common questions
- Is glass pens profitable to sell on Amazon United Kingdom?
- The niche generates £91K/yr across 18 tracked products. 90-day search growth is +18.2%. Flapen's verdict: Skip it (45/100).
- How competitive is the glass pens niche?
- 12 brands and 18 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 80% of demand.
- What do buyers complain about in glass pens?
- Top complaints mined from reviews: Color, Functionality-Overall, Quality-Overall. The return rate is 0.4%.
- When does demand for glass pens peak?
- Demand peaks in Nov–Dec; the busiest month runs 3.3× the quietest.
- What does it cost to enter the glass pens niche?
- Listings span £4.00–£17.20; the average listing price is £7.32 (sweet spot $15–$100). The average incumbent carries 4,264 reviews — the moat a new listing must climb.