foam insert
Worth a lookShows low returns (1.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Great1.1%return rate — above 5% kills the launch gate
Brand share
Great50%top-5 brand share — no brand owns this niche
Review moat
Great327.08avg incumbent reviews — the moat a new listing must climb
Competition
Great34%top-5 click share — an open shelf
Avg price
Great£17.01avg listing price — sweet spot $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Price range
Good£6.42–£37.62cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Bad1.9%search→purchase rate — share of searches ending in a sale
Growth
Bad-15.6%90-day search growth — must beat 0% to launch
Market size
Bad£43K£43K/yr · 130K searches
According to Flapen's Amazon United Kingdom niche tracking, foam insert is a £43K/yr Amazon United Kingdom market (130K searches/yr). The top 5 brands hold 50% of demand. Verdict: Worth a look — 56/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
foam insert market data
- Units sold / yr
- 3K–3K
- avg 0–100/product
- Revenue / yr
- £43K–£51K
- units × avg price
- Conversion rate
- 1.9%
- Avg BSR
- #1,693
- Page quality
- 0%
- Prime
- 80%
- Sponsored
- 100%
- Out of stock
- 9.3%
- Avg brand age
- 36 months
- Avg seller age
- 178 days
Competition & brand share
Clicks spread well past the top 5 (34% combined) — an open shelf where new products get seen.Brands
34 rising
Sellers
53
Top-5 brand share
50%
Top 20: 85%
Top-5 click share
34%
Top 20: 68%
Open market
46%
- Shadow Foam23%
- Precision Defined8%
- Storystore7%
- XLTBOMS7%
- LDXDRU5%
- AKOLAFE4%
Demand
Weekly Amazon search volume, last 35 weeks — -15.6% search growth over the last 90 days.Top foam insert search terms
- shadow foam46K/yr
- toolbox foam12K/yr
- tool box foam12K/yr
- foam insert11K/yr
- foam inserts for cases10K/yr
- pick and pluck foam9K/yr
- tool foam6K/yr
- kaizen foam5K/yr
- foam inserts4K/yr
- pluck foam3K/yr
Top foam insert 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Shadow Foam Small Pack 3pcs Foam Inserts Kit for Tool Box Organisation 40 x 32cm DIY Cut & Peel Foam Sheets for Tool Boxes & Tool Storage Systems Red (30mm Depth)
Shadow Foam£16.264.0★509 rev
4-Piece Tool Box Foam/Shadow Foam Liner Kit Cuttable Polyurethane Foam SheetFoam Insert Commonly Used EPE Foam Board as Tool Boxes Organiser Inserts (Black/Red 40 x 33 x 2.5 cm)
XLTBOMS£14.944.3★17 rev
LDXDRU 10 Pack Square Foam Cube Pick Apart Foam Insert Pick and Pluck Foams Pluck Pre Cube Sheet Foams Use for Game Box Cases DIY & Tool Storage Systems - 5PCS 40 x 30 x 2.5cm / 5PCS 40 x 30 x 1cm
LDXDRU£17.844.9★18 rev
Precision Defined Tool Box Foam - Protective Inserts for Cases Polyethylene Tool Foam for Cases Cushion Insert for Toolboxes - Black/Red (40.6 x 30.4 x 2.54 cm 4 pack)
Precision Defined£20.144.4★287 rev
Storystore Polyurethane Foam Sheet 3pcs 40 x 30 x 2.5cm Tool Box Foam Inserts Cuttable Tool Box Liner Tool Boxes Organiser Inserts for Tool Box Flight Cases Camera Storage DIY Storage System
Storystore£13.354.5★79 rev
Newest
by launch date
2PCS Foam Sheet (40 * 30 * 4cm) Polyethylene Tool Box Foam Easy Cut to Fit for Toolbox Organizers DIY Storage Foam Insert Non Odor Moisture-Resistant for Arts & Crafts Camera Cases
LIANCHUANGWEILAI£13.564 rev
4-Piece Tool Box Foam/Shadow Foam Liner Kit Cuttable Polyurethane Foam SheetFoam Insert Commonly Used EPE Foam Board as Tool Boxes Organiser Inserts (Black/Red 40 x 33 x 2.5 cm)
XLTBOMS£14.9417 rev
3PCS Foam Sheet (40 * 30 * 2.5cm) Polyethylene Tool Box Foam Easy Cut to Fit for Toolbox Organizers DIY Storage Foam Insert Non Odor Moisture-Resistant for Arts & Crafts Camera Cases
LIANCHUANGWEILAI£11.924 rev
Tool Box Foam Insert Shockproof 2 PCS Polyurethane Foam Sheet Toolbox Liner Cuttable Padding for Case Drawer Organiser (40×30×2.5cm Red)
LSGCQ£12.1950 rev
4PCS Black Foam Boards Toolbox Foam 400 x 300 x 25mm Pre-Cut Density Upholstery Tool Box Foam Padding for Cases Organisation Tool Box Flight Cases Camera Storage DIY Storage System
Pinboov£12.403 rev
Trending
90-day click momentum3PCS Foam Sheet (40 * 30 * 2.5cm) Polyethylene Tool Box Foam Easy Cut to Fit for Toolbox Organizers DIY Storage Foam Insert Non Odor Moisture-Resistant for Arts & Crafts Camera Cases
LIANCHUANGWEILAI£11.924.1★
2PCS Foam Sheet (40 * 30 * 4cm) Polyethylene Tool Box Foam Easy Cut to Fit for Toolbox Organizers DIY Storage Foam Insert Non Odor Moisture-Resistant for Arts & Crafts Camera Cases
LIANCHUANGWEILAI£13.564.1★
4PCS Black Foam Boards Toolbox Foam 400 x 300 x 25mm Pre-Cut Density Upholstery Tool Box Foam Padding for Cases Organisation Tool Box Flight Cases Camera Storage DIY Storage System
Pinboov£12.404.6★
4-Piece Tool Box Foam/Shadow Foam Liner Kit Cuttable Polyurethane Foam SheetFoam Insert Commonly Used EPE Foam Board as Tool Boxes Organiser Inserts (Black/Red 40 x 33 x 2.5 cm)
XLTBOMS£14.944.3★
ROC Cases Pre-cut Pick and Pluck Cubed Foam Block Insert 440mm x 310mm x 90mm For Use on A501 Flight Case Storage Cases Game Box Tool Box
ROC Cases£9.454.5★
What buyers say about foam insert
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality delivered quickly”
“Exactly as shown”
“Worth the money”
“Very good fit”
“easy to use”
“Good quality foam”
“Makes nice comfy seat cushions”
“Various thicknesses so a good selection”
“material good ands easy to cut”
“Great product sorted my tool draw system for what I need”
What buyers complain about
“Not as thick”
“break into pieces with hands”
“The description is misleading because, unfortunately, the foam squares are full depth”
“Too soft”
“Difficult to use”
“Of course, this means the inflated foam become much less dense and therefore much softer - not what I was looking for”
“once opened it takes 1-2 days to fully expand”
“I find the price too high”
“Not good at all”
“they dont recomomend a safe glue to stick sheets together or larger models”
Top return reasons
Common questions
- Is foam insert profitable to sell on Amazon United Kingdom?
- The niche generates £43K/yr across 50 tracked products. 0 of 9 products launched in the last 360 days are still selling. 90-day search growth is -15.6%. Flapen's verdict: Worth a look (56/100).
- How competitive is the foam insert niche?
- 34 brands and 53 sellers compete. The top 5 products take 34% of clicks and top 5 brands hold 50% of demand.
- What do buyers complain about in foam insert?
- Top complaints mined from reviews: Thickness, Durability, Advertised Vs Actual Product. The return rate is 1.1%.
- What does it cost to enter the foam insert niche?
- Listings span £6.42–£37.62; the average listing price is £17.01 (sweet spot $15–$100). The average incumbent carries 327 reviews — the moat a new listing must climb.