---
title: "King Size Mattress Bags for Moving — £48K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/king-size-mattress-bags-for-moving"
last_updated: "2026-08-01T06:02:23.247Z"
locale: en
meta:
description: "Niche score 43/100 · £48K/yr market · 27K searches/yr · £12.05 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 43/100 · £48K/yr market · 27K searches/yr · £12.05 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "King Size Mattress Bags for Moving — £48K/yr Amazon UK Niche (2026) - Flapen"
---
# **king size mattress bags for moving**
**Skip it**
A small market ($48K/yr) — this niche doesn't clear our bar today.
Market size 12Growth 23Conversion 97Competition 21Returns 92Price range 57Avg price 50Brand share 21Review moat 67Quality gap 47
**Conversion**
**Incredible****14.4%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Great****1.1%**
return rate — above 5% kills the launch gate
**Review moat**
**Good****824.38**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Good****£6.47–£26.14**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Good****£12.05**
avg listing price — sweet spot $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-3.8%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****74%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****92%**
top-5 brand share — brand-locked demand
**Market size**
**Bad****£48K**
£48K/yr · 27K searches
According to Flapen's Amazon United Kingdom niche tracking, king size mattress bags for moving is a £48K/yr Amazon United Kingdom market (27K searches/yr). The top 5 brands hold 92% of demand. Verdict: Skip it — 43/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **king size mattress bags for moving market data**
- **Units sold / yr**
- **3K–4K**
- avg 100–250/product
- **Revenue / yr**
- **£36K–£48K**
- units × avg price
- **Conversion rate**
- **14.4%**
- **Avg BSR**
- **#541**
- **Page quality**
- **0%**
- **Prime**
- **85%**
- **Sponsored**
- **85%**
- **Out of stock**
- **0.3%**
- **Avg brand age**
- **45 months**
- **Avg seller age**
- **199 days**
## **Competition & brand share**
The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**9 **▼falling
**Sellers**
**15**
**Top-5 brand share**
**92%**
Top 20: 100%
**Top-5 click share**
**74%**
Top 20: 100%
**Open market**
**5%**
- My Moving Mate37% - volila17% - PROMORE16% - StorePAK16% - Dreamzie6% - BSSPOKE INSPIRED BY YOU3% - Open — no brand owns it (3 brands, 5%)
## **Top king size mattress bags for moving search terms**
- **king size mattress bags for moving**9K/yr+8.7%13.4% conv. - **king size mattress cover for moving**6K/yr-5.4%15.2% conv. - **king size mattress bag**6K/yr-32.1%12.6% conv. - **mattress moving bag king size**4K/yr+6.4%10.8% conv. - **mattress storage bag king size**4K/yr+5.2%11.7% conv. [**All search terms **](https://flapen.com/research/uk/home-garden/king-size-mattress-bags-for-moving/search-terms)
## **Top king size mattress bags for moving 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%5%£2K10%£5K15%£7K20%£10K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**King Size Mattress Bags For Moving & Storage - Heavy Duty King Size Mattress Cover for Moving House & Self Store - Plastic Mattress Storage Bag Protector - Strong Reusable Tearproof - 5ft**My Moving Mate**£12.72**4.5★3,187 rev](https://www.amazon.co.uk/dp/B09BGTFQ3D) [2**King Mattress Cover for Moving Mattress Bags for Storage Transport**PROMORE**£6.53**4.0★336 rev](https://www.amazon.co.uk/dp/B0DF2LDHJ3) [3**StorePAK 2-Pack Mattress Cover for Moving & Storage | Fits up to King Size (280 x 150cm) | Gusseted Polythene Protective Sleeve for House Moves & Dust Protection**StorePAK**£6.47**4.5★502 rev](https://www.amazon.co.uk/dp/B01MSVFMCA) [4**King Size Mattress Bag with Zip for Storage & Moving House - Heavy Duty Opaque Zipped Cover for Long Term Loft & Self Store - Resealable Waterproof Plastic Protector - Strong Reusable Tearproof - 5ft**My Moving Mate**£10.73**4.5★939 rev](https://www.amazon.co.uk/dp/B0GY5Z7CTF) [5**King Size Mattress Bag for Moving - Reusable Waterproof Mattress Cover Heavy Duty Mattress Bag for Storage and Protecting Beds from Stains Dust and Pests - (150gsm)**volila**£16.92**4.6★146 rev](https://www.amazon.co.uk/dp/B0CL573Z8P)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**King Size Mattress Bag with Zip for Storage & Moving House - Heavy Duty Opaque Zipped Cover for Long Term Loft & Self Store - Resealable Waterproof Plastic Protector - Strong Reusable Tearproof - 5ft**My Moving Mate**£10.73**939 rev3mo ago](https://www.amazon.co.uk/dp/B0GY5Z7CTF) [**Dreamzie King Size Mattress Cover for Moving Mattress Storage Bag Opaque Plastic Tear Resistant with Zip - King Size**Dreamzie**£11.58**206 rev6mo ago](https://www.amazon.co.uk/dp/B0GK288TK8) [**King Mattress Storage Bag with Zipper - 1 Pack Blue Waterproof Mattress Cover for Moving - Mattress Bag to Protect Beds from Stains Dust and Pest Damage - Plastic Mattress Cover**volila**£12.15**174 rev1y ago](https://www.amazon.co.uk/dp/B0F19FXNHJ) [**Mattress Bag for Moving and Storage 5 Mil Heavy Duty Bed Mattress Cover Mattress Protector Super Thick and Tear Resistant (King)**Oumaru**£7.84**143 rev1y ago](https://www.amazon.co.uk/dp/B0DPKNTT7H) [**King Mattress Cover for Moving Mattress Bags for Storage Transport**PROMORE**£6.53**336 rev1y ago](https://www.amazon.co.uk/dp/B0DF2LDHJ3)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**King Size Mattress Bag with Zip for Storage & Moving House - Heavy Duty Opaque Zipped Cover for Long Term Loft & Self Store - Resealable Waterproof Plastic Protector - Strong Reusable Tearproof - 5ft**My Moving Mate**£10.73**4.5★**▲ 232%**](https://www.amazon.co.uk/dp/B0GY5Z7CTF) [**Dreamzie King Size Mattress Cover for Moving Mattress Storage Bag Opaque Plastic Tear Resistant with Zip - King Size**Dreamzie**£11.58**4.3★**▲ 232%**](https://www.amazon.co.uk/dp/B0GK288TK8) [**King Size Mattress Bag for Moving - Reusable Waterproof Mattress Cover Heavy Duty Mattress Bag for Storage and Protecting Beds from Stains Dust and Pests - (150gsm)**volila**£16.92**4.6★**▲ 48%**](https://www.amazon.co.uk/dp/B0CL573Z8P) [**King Mattress Cover for Moving Mattress Bags for Storage Transport**PROMORE**£6.53**4.0★**▲ 15%**](https://www.amazon.co.uk/dp/B0DF2LDHJ3) [**King Size Mattress Bags For Moving & Storage - Heavy Duty King Size Mattress Cover for Moving House & Self Store - Plastic Mattress Storage Bag Protector - Strong Reusable Tearproof - 5ft**My Moving Mate**£12.72**4.5★**— 10%**](https://www.amazon.co.uk/dp/B09BGTFQ3D)
**~~View all trending →~~**
## **What buyers say about king size mattress bags for moving**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**16%
*“The cover is well made”*
**Size-Overall**11%
*“Fits well”*
**Strength**11%
*“This bag is so sturdy”*
**Advertised Vs Actual Product**8%
*“Did as advertised”*
**Value For Money**6%
*“Excellent value”*
**Ease Of Use**4%
*“easy to use”*
**Durability**3%
*“Strong and durable”*
**Water Resistance**3%
*“it definitely keeps the water off the mattress”*
**Efficiency**3%
*“It works”*
**Storage Capacity**3%
*“great for loft storage”*
### **What buyers complain about **
**Size-Overall**14%
*“Didnt fit my King size mattress”*
**Strength**13%
*“Very weak, would avoid”*
**Value For Money**9%
*“Value for money doesn't make this worth it”*
**Thickness**9%
*“they seem quite thick”*
**Quality-Overall**6%
*“These mattress covers aren't the highest quality”*
**Advertised Vs Actual Product**5%
*“Misleading description”*
**Durability**5%
*“It tore on the very first use while moving the mattress”*
**Ease Of Use**4%
*“NO HANDLES - so it was quite difficult to move”*
**Grip**4%
*“Product had a massive slip both sides of the mattress protector not ideal as its meant to be a mattress protector”*
**Material Quality**2%
*“only given 1 star as the plastic is reasonable quality”*
### **Top return reasons **
**Size-Overall**51%
**Strength**8%
**Material Quality**5%
**Functionality-Overall**5%
**Advertised Vs Actual Product**4%
**Gap/Hole**4%
**Quality-Overall**4%
**Thin**2%
**Durability**2%
**Defective Material/Parts**2%
## **Common questions**
- **Is king size mattress bags for moving profitable to sell on Amazon United Kingdom?**
- The niche generates £48K/yr across 13 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -3.8%. Flapen's verdict: Skip it (43/100).
- **How competitive is the king size mattress bags for moving niche?**
- 9 brands and 15 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 92% of demand.
- **What do buyers complain about in king size mattress bags for moving?**
- Top complaints mined from reviews: Size-Overall, Strength, Value For Money. The return rate is 1.1%.
- **What does it cost to enter the king size mattress bags for moving niche?**
- Listings span £6.47–£26.14; the average listing price is £12.05 (sweet spot $15–$100). The average incumbent carries 824 reviews — the moat a new listing must climb.
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