jesmonite
Skip itA small market ($44K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.3%return rate — above 5% kills the launch gate
Avg price
Incredible£36.14avg listing price — sweet spot $15–$100
Review moat
Great241.93avg incumbent reviews — the moat a new listing must climb
Price range
Good£15.02–£135.37cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Okay61%top-5 click share — leaders hold, buyers still browse
Conversion
Okay2.8%search→purchase rate — share of searches ending in a sale
Brand share
Okay89%top-5 brand share — brands hold most of the demand
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Growth
Bad-17.7%90-day search growth — must beat 0% to launch
Market size
Bad£44K£44K/yr · 44K searches
According to Flapen's Amazon United Kingdom niche tracking, jesmonite is a £44K/yr Amazon United Kingdom market (44K searches/yr). The top 5 brands hold 89% of demand. Demand peaks in Oct–Nov–Dec. Verdict: Skip it — 41/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
jesmonite market data
- Units sold / yr
- 1K–1K
- avg 0–100/product
- Revenue / yr
- £36K–£45K
- units × avg price
- Conversion rate
- 2.8%
- Avg BSR
- #347
- Page quality
- 0%
- Prime
- 43%
- Sponsored
- 43%
- Out of stock
- 6.6%
- Avg brand age
- 42 months
- Avg seller age
- 181 days
Competition & brand share
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.Brands
8 flat
Sellers
11
Top-5 brand share
89%
Top 20: 100%
Top-5 click share
61%
Top 20: 100%
Open market
5%
- JESMONITE33%
- Polycraft ( MB Fibreglass )26%
- Jesmonite ( MB Fibreglass )14%
- JDiction8%
- LET'S RESIN8%
- DecorRom5%
- Open — no brand owns it (2 brands, 5%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -17.7% search growth over the last 90 days.Peak months: Oct, Nov, Dec · busiest ÷ quietest = 1.9×
Top jesmonite search terms
- jesmonite28K/yr
- jesmonite ac10010K/yr
- jesmonite starter kit5K/yr
Top jesmonite 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 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Jesmonite AC100 Water Based Casting Resin 3.5kg Kit
Polycraft ( MB Fibreglass )£28.714.7★293 rev
Jesmonite AC100 Water Based Casting Resin 1.75kg Kit White (JES/AC100/KIT/1.75KG)
JESMONITE£19.554.6★30 rev
Jesmonite AC100 Water Based Casting Resin Kit Decorative Mouldings Castings Glass Reinforced Laminates Fire Resistant Jesmonite Liquid and Powder Kit - 17.5kg
Jesmonite ( MB Fibreglass )£78.464.4★38 rev
JDiction ResinCrete 1000g Water Based Casting Resin for Beginners 20-30 Min Fast Curing Terrazzo Resin Self Leveling Easy Mix Casting & Coating
JDiction£15.024.6★372 rev
Jesmonite AC100 Eco-Resin Kit - Safe Non-Toxic Fire-Resistant Resin for Homeware Sculptures & Decorative Casting Lightweight Impact-Resistant Easy to Use (1.4 Kg)
JESMONITE£17.505.0★6 rev
Newest
by launch date
Eco Resin Casting Powder - 1400g Ceramic Resin Powders Kit with 6pcs Pigments Fast Curing Easy to Demold Water Mixed Activated - Toxic-Free Odorless - Plaster Casting Kit for DIY Home Art Crafts
Limino£17.61216 rev
Jesmonite AC100 Eco-Resin Kit - Safe Non-Toxic Fire-Resistant Resin for Homeware Sculptures & Decorative Casting Lightweight Impact-Resistant Easy to Use (1.4 Kg)
JESMONITE£17.506 rev
Jesmonite AC100 Eco-Resin Kit - Safe Non-Toxic Fire-Resistant Resin for Homeware Sculptures & Decorative Casting Lightweight Impact-Resistant Easy to Use (7 Kg)
JESMONITE£46.166 rev
Wealike Eco Resin Casting Powder 3000G Water-Based Ceramic Plaster of Paris with 6PCS Pigments 30 Minutes Demold.Easy Mix Self Leveling Non-Toxic for Home Decor &DIY Art
Wealike£24.33100 rev
Jesmonite AC100 Eco-Resin Kit - Safe Non-Toxic Fire-Resistant Resin for Homeware Sculptures & Decorative Casting Lightweight Impact-Resistant Easy to Use (3.5 Kg)
JESMONITE£29.616 rev
Trending
90-day click momentumWealike Eco Resin Casting Powder 3000G Water-Based Ceramic Plaster of Paris with 6PCS Pigments 30 Minutes Demold.Easy Mix Self Leveling Non-Toxic for Home Decor &DIY Art
Wealike£24.334.4★
Jesmonite AC100 Eco-Resin Kit - Safe Non-Toxic Fire-Resistant Resin for Homeware Sculptures & Decorative Casting Lightweight Impact-Resistant Easy to Use (3.5 Kg)
JESMONITE£29.615.0★
Jesmonite AC100 Eco-Resin Kit - Safe Non-Toxic Fire-Resistant Resin for Homeware Sculptures & Decorative Casting Lightweight Impact-Resistant Easy to Use (7 Kg)
JESMONITE£46.165.0★
Jesmonite AC100 Eco-Resin Kit - Safe Non-Toxic Fire-Resistant Resin for Homeware Sculptures & Decorative Casting Lightweight Impact-Resistant Easy to Use (1.4 Kg)
JESMONITE£17.505.0★
Jesmonite AC100 Water Based Casting Resin 35kg Kit
Jesmonite ( MB Fibreglass )£135.374.9★
What buyers say about jesmonite
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product”
“Easy to use”
“Beautiful white”
“Great value for money”
“The Eco Resin has picked up the detail beautifully on my characters”
“Easy to use, clear instructions”
“very strong as well”
“Easier than epoxy resin & cheaper”
“Works”
“As described great item”
What buyers complain about
“Messy”
“Unfortunately in my case there was no instructions manual in my box”
“Slightly misleading advertising”
“doesn't come in the size needed”
“But does not make many items for the cost of it”
“difficult to pour”
“Not very good”
“Adding colour made it clumpy”
“all due to moulds being too shallow/thin”
“Its a bit messy”
Top return reasons
Common questions
- Is jesmonite profitable to sell on Amazon United Kingdom?
- The niche generates £44K/yr across 14 tracked products. 90-day search growth is -17.7%. Flapen's verdict: Skip it (41/100).
- How competitive is the jesmonite niche?
- 8 brands and 11 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 89% of demand.
- What do buyers complain about in jesmonite?
- Top complaints mined from reviews: Mess Free, Instructions/User Manual/Troubleshooting, Advertised Vs Actual Product. The return rate is 0.3%.
- When does demand for jesmonite peak?
- Demand peaks in Oct–Nov–Dec; the busiest month runs 1.9× the quietest.
- What does it cost to enter the jesmonite niche?
- Listings span £15.02–£135.37; the average listing price is £36.14 (sweet spot $15–$100). The average incumbent carries 242 reviews — the moat a new listing must climb.