---
title: "Foam Insert — £43K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/business-industry-science/foam-insert"
last_updated: "2026-07-31T12:04:57.531Z"
locale: en
meta:
description: "Niche score 56/100 · £43K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 56/100 · £43K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Foam Insert — £43K/yr Amazon UK Niche (2026) - Flapen"
---
# **foam insert**
**Worth a look**
Shows low returns (1.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 11Growth 17Conversion 24Competition 81Returns 93Price range 73Avg price 80Brand share 85Review moat 84Quality gap 78
**Returns**
**Great****1.1%**
return rate — above 5% kills the launch gate
**Brand share**
**Great****50%**
top-5 brand share — no brand owns this niche
**Review moat**
**Great****327.08**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Great****34%**
top-5 click share — an open shelf
**Avg price**
**Great****£17.01**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Price range**
**Good****£6.42–£37.62**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Bad****1.9%**
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 ~~](https://flapen.com/research/methodology)
## **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.
4K3KSpike '26Nov '25Dec '25Jan '26Mar '26Apr '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/uk/business-industry-science/foam-insert/trend)
## **Top foam insert search terms**
- **shadow foam**46K/yr-16.0%1.3% conv. - **toolbox foam**12K/yr-24.5%1.4% conv. - **tool box foam**12K/yr-24.4%1.7% conv. - **foam insert**11K/yr-19.7%2.1% conv. - **foam inserts for cases**10K/yr-12.0%2.3% conv. - **pick and pluck foam**9K/yr+4.7%3.1% conv. - **tool foam**6K/yr-4.9%1.4% conv. - **kaizen foam**5K/yr+9.8%0.5% conv. - **foam inserts**4K/yr-9.0%2.6% conv. - **pluck foam**3K/yr-27.7%3.5% conv. [**All search terms **](https://flapen.com/research/uk/business-industry-science/foam-insert/search-terms)
## **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.
0%3%£1K6%£3K9%£4K12%£5K1101001K Reviews — right = deep review moatMarket 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.
### **Top sellers**
by 90-day click share
[1**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**£16.26**4.0★509 rev](https://www.amazon.co.uk/dp/B07CGDDR6C) [2**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**£14.94**4.3★17 rev](https://www.amazon.co.uk/dp/B0GJCSTWVM) [3**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**£17.84**4.9★18 rev](https://www.amazon.co.uk/dp/B0D9LTLMQW) [4**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**£20.14**4.4★287 rev](https://www.amazon.co.uk/dp/B0DDB5ZRCR) [5**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**£13.35**4.5★79 rev](https://www.amazon.co.uk/dp/B0F1FX8572)
**~~View all top sellers →~~**
### **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**£13.56**4 rev5mo ago](https://www.amazon.co.uk/dp/B0GJRPNS2W) [**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**£14.94**17 rev5mo ago](https://www.amazon.co.uk/dp/B0GJCSTWVM) [**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**£11.92**4 rev5mo ago](https://www.amazon.co.uk/dp/B0GJCSKYFL) [**Tool Box Foam Insert Shockproof 2 PCS Polyurethane Foam Sheet Toolbox Liner Cuttable Padding for Case Drawer Organiser (40×30×2.5cm Red)**LSGCQ**£12.19**50 rev8mo ago](https://www.amazon.co.uk/dp/B0G2XYCFCK) [**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**£12.40**3 rev8mo ago](https://www.amazon.co.uk/dp/B0G1M56HRV)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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**£11.92**4.1★**▲ 281%**](https://www.amazon.co.uk/dp/B0GJCSKYFL) [**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**£13.56**4.1★**▲ 276%**](https://www.amazon.co.uk/dp/B0GJRPNS2W) [**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**£12.40**4.6★**▲ 166%**](https://www.amazon.co.uk/dp/B0G1M56HRV) [**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**£14.94**4.3★**▲ 162%**](https://www.amazon.co.uk/dp/B0GJCSTWVM) [**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**£9.45**4.5★**▲ 127%**](https://www.amazon.co.uk/dp/B00PCA2IMQ)
**~~View all trending →~~**
## **What buyers say about foam insert**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**31%
*“Good quality delivered quickly”*
**Advertised Vs Actual Product**12%
*“Exactly as shown”*
**Value For Money**12%
*“Worth the money”*
**Size-Overall**9%
*“Very good fit”*
**Ease Of Use**8%
*“easy to use”*
**Foam**6%
*“Good quality foam”*
**Cushion**3%
*“Makes nice comfy seat cushions”*
**Thickness**2%
*“Various thicknesses so a good selection”*
**Material Quality**2%
*“material good ands easy to cut”*
**Drawing Experience**2%
*“Great product sorted my tool draw system for what I need”*
### **What buyers complain about **
**Thickness**15%
*“Not as thick”*
**Durability**10%
*“break into pieces with hands”*
**Advertised Vs Actual Product**7%
*“The description is misleading because, unfortunately, the foam squares are full depth”*
**Hard Feel**7%
*“Too soft”*
**Ease Of Use**7%
*“Difficult to use”*
**Foam**7%
*“Of course, this means the inflated foam become much less dense and therefore much softer - not what I was looking for”*
**Stretchability/Expandability/Elasticity**7%
*“once opened it takes 1-2 days to fully expand”*
**Value For Money**6%
*“I find the price too high”*
**Quality-Overall**4%
*“Not good at all”*
**Adhesion/Stickiness**2%
*“they dont recomomend a safe glue to stick sheets together or larger models”*
### **Top return reasons **
**Size-Overall**25%
**Defective Material/Parts**14%
**Thickness**10%
**Thin**10%
**Advertised Vs Actual Product**8%
**Quality-Overall**6%
**Color**4%
**Compatibility-Overall**3%
**Foam**3%
**Functionality-Overall**3%
## **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.
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