masking fluid
Skip itPrices mostly outside the sweet spot ($3.43–$9.88) — this niche doesn't clear our bar today.
Returns
Incredible0.2%return rate — above 5% kills the launch gate
Conversion
Incredible15.3%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Okay80%top-5 brand share — brands hold most of the demand
Review moat
Okay2,338.63avg incumbent reviews — the moat a new listing must climb
Competition
Okay66%top-5 click share — leaders hold, buyers still browse
Avg price
Bad£7.11avg listing price — sweet spot $15–$100
Growth
Bad-11.6%90-day search growth — must beat 0% to launch
Market size
Bad£69K£69K/yr · 63K searches
Price range
Bad£3.43–£9.88cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, masking fluid is a £69K/yr Amazon United Kingdom market (63K searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 43/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
masking fluid market data
- Units sold / yr
- 8K–10K
- avg 500–750/product
- Revenue / yr
- £57K–£71K
- units × avg price
- Conversion rate
- 15.3%
- Avg BSR
- #299
- Page quality
- 0%
- Prime
- 94%
- Sponsored
- 56%
- Out of stock
- 0.0%
- Avg brand age
- 39 months
- Avg seller age
- 198 days
Competition & brand share
The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.Brands
12 flat
Sellers
47
Top-5 brand share
80%
Top 20: 100%
Top-5 click share
66%
Top 20: 100%
Open market
16%
- Winsor & Newton47%
- WEILAOK17%
- Vallejo6%
- 7 Artists5%
- Nebulith5%
- Sennelier4%
- Open — no brand owns it (6 brands, 16%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -11.6% search growth over the last 90 days.Peak months: Sep, Oct · busiest ÷ quietest = 1.9×
Top masking fluid search terms
- masking fluid39K/yr
- masking fluid for watercolour painting18K/yr
- watercolour masking fluid6K/yr
Top masking fluid 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 16 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Winsor & Newton Art Masking Fluid 75ml
Winsor & Newton£6.334.6★3,166 rev
Winsor & Newton Colourless Art Masking Fluid 75ml
Winsor & Newton£6.234.5★763 rev
Masking Fluid for Watercolour Painting Masking Fluid Liquid Masking Fluid Masking Fluid Include 5 Masking Fluid Pen Liquid Masking Tape Keeps Areas Free of Colour and Edges Crisp Blue - 30ml
WEILAOK£8.704.4★144 rev
7 Artists Masking Fluid Pen for Watercolour 1-2 mm Fine Line Masking Fluid Marker with Liquid Masking for Watercolour Painting | Drawing Gum Pen for Watercolour Painting
7 Artists£5.084.5★220 rev
2PCS Masking Fluid Pen Precision Covering Liquid Pen Masking Fluid for Watercolour Painting Watercolour Ma/sking Fl/uid Blue&White Paint P/en Drawing P/ens Liquid Ma/sking Flu/id White Gel Pe/ns
Nebulith£5.074.0★10 rev
Newest
by launch date
WEILAOK Masking Fluid for Watercolour Painting masking fluid Liquids Maskings Fluid Include 5 Pen Liquid Masking Tape Keeps Areas Free of Colour and Edges Crisp Pink - 30ml
WEILAOK£8.33144 rev
4Pcs Masking Fluid Pen Liquid Masking Fluid Masking Fluid Include 4 Masking Fluid Pen Liquid Masking Tape Drawing Pens for Precise and Edge-Sharp Lines in the Middle of Flowing Watercolour Paint
Mubuni£7.886 rev
2PCS Masking Fluid Pen Precision Covering Liquid Pen Masking Fluid for Watercolour Painting Watercolour Ma/sking Fl/uid Blue&White Paint P/en Drawing P/ens Liquid Ma/sking Flu/id White Gel Pe/ns
Nebulith£5.0710 rev
Masking Fluid for Watercolour Painting Masking Fluid Liquid Masking Fluid Masking Fluid Include 5 Masking Fluid Pen Liquid Masking Tape Keeps Areas Free of Colour and Edges Crisp Blue - 30ml
WEILAOK£8.70144 rev
Masking Fluid for Watercolour Painting Masking Fluid Liquid Maskings Fluids maskings fluids Keeps Areas Free of Colour and Edges Crisp White - 30ml
WEILAOK£8.65144 rev
Trending
90-day click momentum4Pcs Masking Fluid Pen Liquid Masking Fluid Masking Fluid Include 4 Masking Fluid Pen Liquid Masking Tape Drawing Pens for Precise and Edge-Sharp Lines in the Middle of Flowing Watercolour Paint
Mubuni£7.883.5★
2PCS Masking Fluid Pen Precision Covering Liquid Pen Masking Fluid for Watercolour Painting Watercolour Ma/sking Fl/uid Blue&White Paint P/en Drawing P/ens Liquid Ma/sking Flu/id White Gel Pe/ns
Nebulith£5.074.0★
WEILAOK Masking Fluid for Watercolour Painting masking fluid Liquids Maskings Fluid Include 5 Pen Liquid Masking Tape Keeps Areas Free of Colour and Edges Crisp Pink - 30ml
WEILAOK£8.334.4★
Winsor & Newton Colourless Art Masking Fluid 75ml
Winsor & Newton£6.234.5★
Liquitex Acrylic Masking Fluid Medium 118ML
Liquitex£9.884.5★
What buyers say about masking fluid
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to Use”
“Excellent product”
“As promised”
“Works well depending on paper”
“Blue colored, easy to recognise”
“Great value for money”
“does work”
“Really good and fun to work with artwork”
“Will last a long time”
“it works well depending on the brand of paper”
What buyers complain about
“hard to use”
“Bottle leaked with blue masking fluid all over”
“not impressed with quality”
“Doesnt work well on everyday paper”
“Liquid pores out with out any way of limiting it”
“I am afraid I could barely get any of the masking fluid to come out- so had to buy a bottle again”
“Be aware, though, that this is a tiny amount”
“it has a terrible smell”
“Masking fluid turns paper blue”
“Stains the paper blue”
Top return reasons
Common questions
- Is masking fluid profitable to sell on Amazon United Kingdom?
- The niche generates £69K/yr across 16 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -11.6%. Flapen's verdict: Skip it (43/100).
- How competitive is the masking fluid niche?
- 12 brands and 47 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 80% of demand.
- What do buyers complain about in masking fluid?
- Top complaints mined from reviews: Ease Of Use, Leak-Proof, Quality-Overall. The return rate is 0.2%.
- When does demand for masking fluid peak?
- Demand peaks in Sep–Oct; the busiest month runs 1.9× the quietest.
- What does it cost to enter the masking fluid niche?
- Listings span £3.43–£9.88; the average listing price is £7.11 (sweet spot $15–$100). The average incumbent carries 2,339 reviews — the moat a new listing must climb.