Relyon Isabelle 2000 Pocket Mattress
Mattress
Relyon Isabelle 2000 Pocket Mattress
Size
Firmness
Firm
Construction
Depth (cm)
29
Layers
5
Layer Details
- Damask cover. A damask cover, which is a finely woven and durable fabric, forms the sleep surface. It is soft to the touch.
- Wool. A layer of natural wool sits beneath the cover for cosy, cushioned comfort. Wool also helps regulate temperature naturally.
- Soft White Fibres. Soft white fibres increase airflow through the mattress. This works alongside the wool to keep the sleeping temperature steadier.
- Mini Pocket Springs. Small, individually cased springs sit above the main spring unit. They add a gentle, contouring layer of pressure relief before you reach the firmer support below.
- Pocket Springs. The main support comes from 2,000 individual springs encased in cloth pockets. Each spring moves independently, which means support is distributed to each part of your body and a restless partner is less likely to wake you.
Layer details from mattressonline.co.uk product page, September 2026.
- A sensible fit for typical bedrooms: We suggest a room of at least 2.6m x 2.8m, which means most UK doubles rooms take this mattress with space to walk around it.
- 67.5cm each for two sharing: Two people sharing get 67.5cm each, enough for couples who sleep close, though restless sleepers may want the UK king's extra width.
- Independent springs for shared sleep: Each of the 2,000 pocket springs moves on its own, which means a partner turning over at 2am is far less likely to wake you.
- Firm support across the full width: The firm main spring unit keeps both sleepers supported to the sides of the 135cm surface, with mini pocket springs softening the top slightly.
- Bedding is easy and cheap to find: Double sheets and a 200 x 200cm duvet are stocked everywhere, useful if you're furnishing a whole home and the budget is already stretched.
This size suits you if...
You're a couple in a typical UK bedroom and want the classic shared size that still leaves room for wardrobes and bedside tables on both sides, or you're kitting out a guest room where visiting couples will stay. It also suits a solo sleeper who likes to spread out, or shares the bed with a dog or cat that claims its own corner every night.
Consider another size if...
You and your partner are both restless or broad-shouldered, and 67.5cm each will feel tight on a firm surface. We'd recommend the UK king instead, which gives 75cm each, provided your room allows at least 2.7m x 2.9m.
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Is the Relyon Isabelle 2000 UK double big enough for a couple?
For most couples, yes. You each get 67.5cm of the 135cm width, and because each of the 2,000 springs is individually cased, one person shifting doesn't ripple across to the other. If either of you sprawls or you share with children in the mornings, the UK king's 75cm each is a safer bet.
What room size do I need for the Relyon Isabelle 2000 in a UK double?
We suggest a room of at least 2.6m x 2.8m, which leaves space to open drawers and walk around the bed. Around 3m x 3m is the comfortable norm, giving you room for bedside tables on both sides. This is our own guidance rather than Relyon's, so treat it as a sensible minimum.
Should a couple pick the Isabelle 2000 in a UK double or a UK king?
The UK double works well if your bedroom is average-sized or you sleep close together. The UK king is 15cm wider and 10cm longer, giving 7.5cm more each, useful on a firm mattress where you settle on top rather than sinking in. For the UK king, allow a room of at least 2.7m x 2.9m.
What are the exact dimensions of the Relyon Isabelle 2000 UK double?
It measures 135 x 190cm, or 4ft 6in x 6ft 3in in imperial. That's the standard UK double footprint, so it fits any UK double bed frame or divan base, and standard double sheets with a 200 x 200cm duvet will dress it without any hunting for odd sizes.
Will the UK double Isabelle 2000 get up a narrow staircase?
Relyon doesn't publish delivery packaging dimensions for this mattress, so check with the retailer before ordering. A 135 x 190cm pocket spring mattress can be awkward on turning stairs in older terraces and tight new build landings, so measure the narrowest point of your route, including any doorways, and compare against what the retailer tells you.