Rank #6 in Best Mattress for Back Pain 2026: Orthopaedic, And Unmeasured
slily 12 Inch King Size Mattress for Back Pain, 5FT, 250kg Limit
Price and rating as shown on Amazon when we collected them. Both change.
The slily 12 inch king size mattress costs £239.99 and is rated 4.7 stars from 354 ratings, with a 30 centimetre depth and a stated 250 kilogram limit.
It takes sixth because it is the dearest mattress here, the same construction as the double above with all 354 of its ratings shared — and because its dimensions field reads 100 by 30 by 30 centimetres, which is the parcel rather than the bed.
How those 354 ratings break down
An average hides its own shape. This is the spread behind the 4.7 stars.
Specification
Exactly as published on the Amazon listing, field for field.
| Price | £239.99 |
|---|---|
| Shared evidence | 354 ratings, also used by the double |
| Dimensions | 150 x 200 x 30cm, 2 x 1.5 x 0.3m, and 100 x 30 x 30cm |
| Depth | 30 centimetres |
| Cover | Polycotton |
| Layers | 12 |
What buyers actually say
Quoted from customer reviews on Amazon
Verified purchase“It’s value for money . It does what it says in menu”
Verified purchase“Very comfortable aiding. a good nights sleep and. easing back ache .”
What it is up against
The rivals it was ranked against in Best Mattress for Back Pain 2026: Orthopaedic, And Unmeasured.
Rank #1
TeQsli 10 Inch Double Mattress, Medium Firm, 7 Zone, 25cm
£125.99
Rank #2
TeQsli Gel Pocket Sprung Double Mattress, Medium Firm, 25cm, 660lb Limit
£124.99
Rank #3
TeQsli 25cm Double Mattress, Medium Firm, 7-Zone, Handles
£128.99
Rank #4
slily 12 Inch Double Mattress for Back Pain, 7-Zone, 250kg Limit
£179.99
Questions people ask
Which size is it?
A 5ft king: 150 by 200 centimetres.
What is 100 by 30 by 30?
The box it is delivered in.
Why does it share its ratings?
Because Amazon pools the reviews of both sizes.
How thick is it?
30 centimetres, the thickest here.
Why is it sixth?
Because the double is the same mattress for £60 less and its ratings are the same number.
How many ratings does it have?
354 at the time of collection, averaging 4.7 stars, with 82 per cent five-star and 3 per cent one-star.
Comments
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