---
title: "Ninja Double Stack Air Fryer Liners — £37K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/ninja-double-stack-air-fryer-liners"
last_updated: "2026-08-01T03:05:03.353Z"
locale: en
meta:
description: "Niche score 44/100 · £37K/yr market · 32K searches/yr · £8.04 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 44/100 · £37K/yr market · 32K searches/yr · £8.04 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Ninja Double Stack Air Fryer Liners — £37K/yr Amazon UK Niche (2026) - Flapen"
---
# **ninja double stack air fryer liners**
**Skip it**
Prices mostly outside the sweet spot ($4.15–$15.33) — this niche doesn't clear our bar today.
Market size 9Growth 12Conversion 96Competition 51Returns 98Price range 3Avg price 22Brand share 56Review moat 38Quality gap 52
**Returns**
**Incredible****0.4%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****14.1%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Good****71%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Competition**
**Good****54%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Okay****2,738.37**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Bad****£8.04**
avg listing price — sweet spot $15–$100
**Growth**
**Bad****-26.6%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****£37K**
£37K/yr · 32K searches
**Price range**
**Bad****£4.15–£15.33**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=uk&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United Kingdom niche tracking, ninja double stack air fryer liners is a £37K/yr Amazon United Kingdom market (32K searches/yr). The top 5 brands hold 71% of demand. Demand peaks in Jan–Dec. Verdict: Skip it — 44/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **ninja double stack air fryer liners market data**
- **Units sold / yr**
- **4K–5K**
- avg 100–250/product
- **Revenue / yr**
- **£32K–£40K**
- units × avg price
- **Conversion rate**
- **14.1%**
- **Avg BSR**
- **#77**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **74%**
- **Out of stock**
- **12.4%**
- **Avg brand age**
- **23 months**
- **Avg seller age**
- **268 days**
## **Competition & brand share**
The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**12 **▼falling
**Sellers**
**15**
**Top-5 brand share**
**71%**
Top 20: 100%
**Top-5 click share**
**54%**
Top 20: 100%
**Open market**
**22%**
- micujiarul23% - FryEasy18% - BYKITCHEN15% - Yikki8% - iStock kitchen7% - Xaarmonex7%
## **Demand & seasonality**
Weekly Amazon search volume, last 87 weeks — -26.6% search growth over the last 90 days.
2K2KSpike '25Prime Day '25Holiday '25Spike '26 seasonDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Jan, Dec · busiest ÷ quietest = 2.9×
[**Open Trend **](https://flapen.com/research/uk/home-garden/ninja-double-stack-air-fryer-liners/trend)
## **Top ninja double stack air fryer liners search terms**
- **ninja double stack air fryer liners**11K/yr-25.3%12.9% conv. - **ninja double stack xl 9.5l air fryer liners**9K/yr-26.8%10.7% conv. - **ninja stack air fryer liners**5K/yr-41.7%13.7% conv. - **ninja double stack air fryer accessories**4K/yr-21.3%1.7% conv. - **air fryer liners ninja double stack**3K/yr-12.8%16.3% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/ninja-double-stack-air-fryer-liners/search-terms)
## **Top ninja double stack air fryer liners 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%10%£4K20%£7K30%£11K40%£15K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 19 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**100PCS Ninja Double Stack XL 9.5L Air Fryer Liners Dual Air Fryer Paper Liners for Ninja SL400UK AF400UK AF300UK Air Fryer Liners Disposable for Ninja Keplin Tower Other Dual Airfryer**micujiarul**£7.17**4.6★308 rev](https://www.amazon.co.uk/dp/B0DJVX8LN6) [2**FryEasy 150pcs Disposable Paper Air Fryer Liners for Ninja Air Fryer Double Stack Ninja Double Stack Air Fryer Liners Ninja Double Stack XL 9.5L Air Fryer SL400UK and 7.6l SL300UK**FryEasy**£12.52**4.7★35 rev](https://www.amazon.co.uk/dp/B0DQ9D1B19) [3**BYKITCHEN 120PCS Air Fryer Liners for Ninja Double Stack XL Air Fryer Airfryer Accessories for Stacked SL400UK/F300UK/AF400UK/ Foodi Max AF451UK & Other 7.6L/9L/9.5L Dual Drawer**BYKITCHEN**£7.26**4.5★7,404 rev](https://www.amazon.co.uk/dp/B0CGLC77L3) [4**2PCS Silicone Air Fryer Liners for Ninja Double Stack Air Fryer XL Sl400UK Airfryer Liners Air Fryer Accessories for Ninja Dual Air Fryer AF400UK AF300UK AF451UK Tower T17088 (Black One Size)**Yikki**£4.15**4.3★2,643 rev](https://www.amazon.co.uk/dp/B0F37N95KK) [5**AirFlow Pro Ninja SL400UK Silicone Liners | Double Stack XL 9.5L | 3mm Thick 15mm Raised Ridges for Crisp Cooking | Glove-Like Fit | SL400 Accessories | by iStock Kitchen**iStock kitchen**£15.33**4.6★133 rev](https://www.amazon.co.uk/dp/B0G4WQ6PYD)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**AirFlow Pro Ninja SL400UK Silicone Liners | Double Stack XL 9.5L | 3mm Thick 15mm Raised Ridges for Crisp Cooking | Glove-Like Fit | SL400 Accessories | by iStock Kitchen**iStock kitchen**£15.33**133 rev7mo ago](https://www.amazon.co.uk/dp/B0G4WQ6PYD) [**Premium Silicone Liners for Ninja Double Stack XL 9.5L SL400UK | 2.5mm Liner Thickness & 8mm high Lines on Base for Crisp AirFlow |Specially Designed for Ninja Dual Air Fryer 9.5L SL400UK |**Belfort Etech**£13.98**156 rev1y ago](https://www.amazon.co.uk/dp/B0FFZFDG11) [**100PCS Air Fryer Liners for Ninja Double Stack 7.6L Air Fryer SL300UK Dual Air Fryer Paper Liners Disposable Ninja Double Stack Air Fryer Accessories**Zouwel**£7.28**431 rev1y ago](https://www.amazon.co.uk/dp/B0DSB9P4FJ) [**Air Fryer Silicone Liners for Ninja Double Stack 7.6L Air Fryer SL300UK Dual Reusable Air Fryer Silicone Liners Double Stack Air Fryer Accessories for Ninja AF400UK AF451UK(2PCS Black)**Xaarmonex**£8.31**850 rev1y ago](https://www.amazon.co.uk/dp/B0DR94TBGY) [**100pcs Air Fryer Liners Disposable for Ninja Double Stack Air Fryer 7.6l SL300UK / Russell Hobbs Air Fryer 4L 4L Square Air Fryer Liners Comptible with Ninja Philips Cosori Tower 3.8L-4.5L**micujiarul**£6.55**104 rev1y ago](https://www.amazon.co.uk/dp/B0DQNP7817)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**PINTAUR Silicone Air Fryer Liner 2 Pack for 7.6L 8L 9L 9.5L Baskets Reusable AirFryer Accessories Compatible with Ninja Dual AF300UK AF400UK/KCP AF451UK Tower T1708 COSORI Instant Keplin**PINTAUR**£7.15**4.6★**▲ 352%**](https://www.amazon.co.uk/dp/B0CN6FYFVG) [**FryEasy 150pcs Disposable Paper Air Fryer Liners for Ninja Air Fryer Double Stack Ninja Double Stack Air Fryer Liners Ninja Double Stack XL 9.5L Air Fryer SL400UK and 7.6l SL300UK**FryEasy**£12.52**4.7★**▲ 147%**](https://www.amazon.co.uk/dp/B0DQ9D1B19) [**BYKITCHEN Air Fryer Liners Disposable for Ninja Dual/Tower Airfryer Accessories Air Fryer Paper Liners Compatible with Ninja AF300UK AF400UK & 9L 2 Drawers Fryers (50pcs)**BYKITCHEN**£5.29**4.5★**▲ 115%**](https://www.amazon.co.uk/dp/B0B9J8CNL8) [**Premium Silicone Liners for Ninja Double Stack XL 9.5L SL400UK | 2.5mm Liner Thickness & 8mm high Lines on Base for Crisp AirFlow |Specially Designed for Ninja Dual Air Fryer 9.5L SL400UK |**Belfort Etech**£13.98**4.5★**▲ 96%**](https://www.amazon.co.uk/dp/B0FFZFDG11) [**BYKITCHEN Silicone Air Fryer Liner for Ninja Double Stack Air Fryer XL SL400UK Perforated 2PCS Air Fryer Liners Air Fryer Accessories for Ninja Double Stack 9.5L Vertical Dual Drawer Air Fryer**BYKITCHEN**£5.96**4.3★**▲ 95%**](https://www.amazon.co.uk/dp/B0D4LZNDLH)
**~~View all trending →~~**
## **What buyers say about ninja double stack air fryer liners**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**18%
*“Seriously good quality and dishwasher safe”*
**Size-Overall**18%
*“Excellent fit”*
**Frying Quality**15%
*“Brilliant air fryer”*
**Ease Of Cleaning**12%
*“Cleaning is straightforward”*
**Value For Money**7%
*“reasonably priced”*
**Advertised Vs Actual Product**6%
*“do the job”*
**Ease Of Use**5%
*“Very handy”*
**Strength**3%
*“Sturdy construction so hold their shape well”*
**Cooking Experience**1%
*“really help with cooking”*
**Thickness**1%
*“The base is super thick”*
### **What buyers complain about **
**Size-Overall**24%
*“Slightly Smaller Than Expected”*
**Quality-Overall**9%
*“Not the best”*
**Thickness**7%
*“thicker than normal”*
**Ease Of Cleaning**6%
*“cleaning not as easy as expected”*
**Strength**4%
*“very flimsy”*
**Cooking Experience**3%
*“just makes cooking more awkward”*
**Value For Money**3%
*“Expensive but”*
**Advertised Vs Actual Product**2%
*“Not what they looked like in the picture”*
**Functionality-Overall**2%
*“Don't find these very effective”*
**Durability**2%
*“Dont bother these are not durable”*
### **Top return reasons **
**Size-Overall**83%
**Compatibility-Overall**3%
**Advertised Vs Actual Product**2%
**Strength**2%
**Quality-Overall**2%
**Functionality-Overall**1%
**Handle Quality**1%
**Material Quality**1%
**Thickness**1%
**Value For Money**1%
## **Common questions**
- **Is ninja double stack air fryer liners profitable to sell on Amazon United Kingdom?**
- The niche generates £37K/yr across 19 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -26.6%. Flapen's verdict: Skip it (44/100).
- **How competitive is the ninja double stack air fryer liners niche?**
- 12 brands and 15 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 71% of demand.
- **What do buyers complain about in ninja double stack air fryer liners?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Thickness. The return rate is 0.4%.
- **When does demand for ninja double stack air fryer liners peak?**
- Demand peaks in Jan–Dec; the busiest month runs 2.9× the quietest.
- **What does it cost to enter the ninja double stack air fryer liners niche?**
- Listings span £4.15–£15.33; the average listing price is £8.04 (sweet spot $15–$100). The average incumbent carries 2,738 reviews — the moat a new listing must climb.
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