Mlily Hybrid Gel 3000 Double Mattress
The Mlily Hybrid Gel 3000 is a medium-feel hybrid combining gel memory foam with pocket springs, and at 27cm deep it has a reassuringly substantial build.
- Two gel layers keep you cooler
- Minimises partner disturbance
- Hypoallergenic with a removable cover
£799
Get the lowest price we've found
Save with the previous model
Some retailers still sell the earlier version of this mattress for less than the current model's best price.
Mlily Hybrid Gel 3000 Mattress
More available sizes
Mattress details
Mattress
Mlily Hybrid Gel 3000 Mattress
Size
Firmness
Medium
Construction
Foam
Pocket Spring
Hybrid
Rolled
Memory Foam
Depth (cm)
27
Layers
3
Layer Details
Cover
A removable polyester cover, which means you can take it off for a freshen-up rather than spot-cleaning the mattress itself.
Gel Memory Foam
Two separate layers of cooling gel memory foam. You get the pressure-relieving cradle of memory foam, with gel intended to disperse heat so it feels a touch cooler through the night.
Pocket Springs
Individually pocketed springs, listed as 3000 in the king size, each moving independently. That means support tailored to where your body actually needs it, and less disturbance from a restless partner.
Layer details from furniturevillage.co.uk product page, September 2026.
Key benefits
- A shared size that fits real rooms: At 135 x 190cm, the double leaves space for wardrobes and drawers where a UK king would start to dominate, which suits typical UK bedrooms.
- 67.5cm each for two sharing: Two people get 67.5cm of width each, and the individually pocketed springs respond to each of you separately, so a restless partner disturbs you less.
- Cooler sharing: Two bodies in a double generate more warmth than one, so the gel memory foam layers, designed to draw heat away, matter more at this size.
- Easy to dress: Standard double sheets and a 200 x 200cm duvet are sold everywhere at every price point, handy if you're kitting out a room from scratch.
- Works as a guest bed too: A double comfortably sleeps visiting couples, which makes this size a sensible pick for a spare room that needs to earn double duty.
This size suits you if...
You share the bed most nights and want the traditional couples' size in a room where a UK king would feel cramped, you're furnishing a guest room that should sleep visiting couples comfortably, or you sleep alone and want space to spread out, perhaps with a dog or cat claiming a corner. Allow at least 2.6m x 2.8m of floor space, with around 3m x 3m the comfortable norm.
Consider another size if...
You and your partner both like room to move and your bedroom can take a bigger bed. The UK king gives 75cm each rather than 67.5cm; we suggest at least 2.7m x 2.9m of room space for it.
Similar Mattresses in This Price Range
Did you know? On Mattress Unboxed we have over 1,000 different mattresses to suit all types of sleepers. View all mattresses.
FAQ's
What are the dimensions of the Mlily Hybrid Gel 3000 double?
The UK double measures 135 x 190cm, or 4ft 6in x 6ft 3in, and this mattress is 27cm deep. That depth is on the taller side, so check your fitted sheets are labelled for deep mattresses before buying. Standard double bedding fits the footprint itself with no trouble.
How much space does each person get on the Mlily double?
Two people sharing a UK double get 67.5cm of width each. The pocket springs move independently, so within that space you feel your own support rather than every shift your partner makes. If 67.5cm sounds tight, the UK king gives 75cm each, which is 7.5cm more per person.
Is the Mlily Hybrid Gel 3000 double a good size for a guest room?
Yes, and it's arguably the ideal guest size: a double sleeps visiting couples comfortably while leaving room in the spare bedroom for a wardrobe and a chest of drawers. The medium feel suits most sleepers, so guests with different preferences should get on with it reasonably well.
Does the Mlily Hybrid Gel 3000 come in a single or small double?
No. The double is the smallest size available, with the UK king and UK super king above it. If your room or budget points to a UK single or UK small double, you'll need to look at a different mattress, as Mlily doesn't make this one in those sizes.
Will a double fit my bedroom with bedside tables on both sides?
Usually, yes. We suggest at least 2.6m x 2.8m of floor space for a UK double, and around 3m x 3m if you want a table each side plus comfortable walking room. Measure your room before deciding, and check the route in too: turning stairs in older terraces can be tight.