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52

silk filament

Worth a look

Shows low returns (0.7%), but soft demand (-29.3% this quarter) keeps it on the watch list.

Market size 26Growth 10Conversion 78Competition 88Returns 97Price range 36Avg price 81Brand share 36Review moat 57Quality gap 38

Returns

Incredible0.7%

return rate — above 5% kills the launch gate

Competition

Great27%

top-5 click share — an open shelf

Avg price

Great£17.37

avg listing price — sweet spot $15–$100

Conversion

Great7.7%

search→purchase rate — share of searches ending in a sale

Review moat

Good1,200.84

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Brand share

Okay83%

top-5 brand share — brands hold most of the demand

Price range

Okay£8.17–£245.41

cheapest to priciest tracked listing — scored on the share inside $15–$100

Market size

Okay£110K

£110K/yr · 82K searches

Growth

Bad-29.3%

90-day search growth — must beat 0% to launch

According to Flapen's Amazon United Kingdom niche tracking, silk filament is a £110K/yr Amazon United Kingdom market (82K searches/yr). The top 5 brands hold 83% of demand. Verdict: Worth a look — 52/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

silk filament market data

Units sold / yr
5K–6K
avg 0–100/product
Revenue / yr
£87K–£104K
units × avg price
Conversion rate
7.7%
Avg BSR
#85
Page quality
0%
Prime
100%
Sponsored
87%
Out of stock
15.1%
Avg brand age
44 months
Avg seller age
241 days

Competition & brand share

Clicks spread well past the top 5 (27% combined) — an open shelf where new products get seen.

Brands

17 falling

Sellers

27

Top-5 brand share

83%

Top 20: 100%

Top-5 click share

27%

Top 20: 60%

Open market

13%

  • FLASHFORGE51%
  • SUNLU12%
  • RepRapper9%
  • LANDU7%
  • ERYONE5%
  • Creality4%
  • Open — no brand owns it (11 brands, 13%)

Demand

Weekly Amazon search volume, last 24 weeks — -29.3% search growth over the last 90 days.
3K2KFeb '26Mar '26Mar '26Apr '26May '26Jun '26

Top silk filament search terms

  • flashforge filament41K/yr
  • silk filament9K/yr
  • pla multicolour5K/yr
  • multicolour filament4K/yr
  • flash forge filaments5K/yr
  • flashforge pla filament5K/yr
  • pla filament multicolour4K/yr
  • filament sunlu3K/yr
  • flashforge pla4K/yr
All search terms

Top silk filament 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.

0%2%£2K4%£4K6%£7K8%£9K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about silk filament

What buyers praise and complain about, mined from review topics.

What buyers love

Color19%

“Beautiful colours”

Quality-Overall16%

“consistent quality throughout”

Print Quality16%

“Prints really nice”

Value For Money12%

“Great value for money”

Ease Of Use5%

“Easy to use”

Adhesion/Stickiness3%

“good adhesion to the plate”

Material Quality3%

“Nice material”

Advertised Vs Actual Product2%

“As described”

Compatibility-Overall2%

“Great compatibility with other printers”

Brightness/Shine/Glow2%

“Brilliant glow In the dark”

What buyers complain about

Print Quality13%

“Difficult to print”

Quality-Overall10%

“Poor quality control”

Color9%

“Mine looks like a sludgy beige colour”

Jamming/Clogging6%

“Constant Nozzle Clogs”

Durability5%

“often fails and breaks”

Value For Money5%

“I am actually so annoyed at how much these cost”

Adhesion/Stickiness4%

“which led to adhesion issues”

Functionality-Overall4%

“now it doesn't print anything at all”

Brightness/Shine/Glow3%

“it did not glow at all”

Size-Overall3%

“Not fit for purpose”

Top return reasons

Functionality-Overall18%
Size-Overall15%
Print Quality12%
Compatibility-Overall8%
Color8%
Defective Material/Parts7%
Connectivity-Overall3%
Quality-Overall3%
Jamming/Clogging3%
Adhesion/Stickiness3%

Common questions

Is silk filament profitable to sell on Amazon United Kingdom?
The niche generates £110K/yr across 85 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -29.3%. Flapen's verdict: Worth a look (52/100).
How competitive is the silk filament niche?
17 brands and 27 sellers compete. The top 5 products take 27% of clicks and top 5 brands hold 83% of demand.
What do buyers complain about in silk filament?
Top complaints mined from reviews: Print Quality, Quality-Overall, Color. The return rate is 0.7%.
What does it cost to enter the silk filament niche?
Listings span £8.17–£245.41; the average listing price is £17.37 (sweet spot $15–$100). The average incumbent carries 1,201 reviews — the moat a new listing must climb.