The Kensington 1500 Pocket Spring & Memory Foam 4ft Small Double Divan Bed in Black comes with a luxury mattress, which is constructed around 1500 count pocket spring units with ultra-supportive layers of high density visco elastic Memory foam to distribute pressure and to provide ultimate comfort and support. Each Spring is sewn into an individual fabric pocket allowing it to move independently and respond to the body\'s every movement and contour. Kensington provides the best possible support to your spine allowing your body to immediately find the best sleeping position, reducing tossing and turning.The extraordinary features of this Mattress helps blood to flow and circulate freely, preventing the nerves and muscles from numbing. This allows for an even distribution of weight and gives a fantastic support for the body and a relaxing sleep. Hand Tufted Hessian Black/Charcoal Border Divan Base is Upholstered in same Black/Charcoal fabric Luxury memory foam 10in deep luxury Mattress Temperature sensitive Dual Turn Summer & Winter Mattress White Stretch stress free material with black/grey pattern on top Memory foam side of the mattress (for winter use) White Damask material at bottom side of the mattress (for summer use) Prevents tossing and turning Hypoallergenic Anti-static stress free fabric Upholstered with layers of hypoallergenic cotton and polyester fillings. Firmness = Medium Firm Sturdy sleeping platform Easy glide castors Divan Base comes in 2 pieces with castors and attachments for headboard. Manufactured in the UK and Complies with BS7177 UK fire regulations. Size = 4ft Small Double Divan Bed (W:120cms x L:190 cms - W:48 inches x L:75 inches) The Divan Base mostly comes in two horizontal split halves, but when you purchase it with side slide storage, the divan base comes in two vertical split halves. Also comes with easy glide castors and attachments for the headboard.