Silentnight Memory Cool 3000 Box Top Mattress Benefit from cooler sleep and the signature sink in comfort of memory foam, with Silentnight's Memory Cool 3000 boxtop. Like memory foam, it gently wraps around you, taking the pressure off your muscles and joints, then the graphite infused particles within the foam, absorb and dissipate any heat released by the body, allowing a cooler more restful night's sleep, providing a sleep environment 15% cooler than standard memory foam. A dual layer of 2000 Mirapocket springs respond independently to your body's movements, providing superior, zoned support, and enhanced spinal alignment. An extra plush boxtop sleep surface adds luxurious depth and 1000 mini springs for enhanced comfort and improved breathability all night long. Handmade in the UK by our sleep experts, created to ensure you have your best sleep night after night. Assembly: Ready Assembled Material Content: 100% Polyester Firmness: Soft Cooler, sink in comfort that shapes to your body, taking the pressure off your muscles and joints Absorbs heat released by the body for cooler sleep The unique zoned spring system of the 2000 Mirapocket support unit keeps you comfy, supported, and uninterrupted. An extra layer of 1000 mini springs for enhanced comfort and improved breathability The sink in nature of Memory Cool prevents excessive movement during sleep and reduces roll together Featuring a sumptuous box top, perfect for sleepers who are looking for optimum pressure relief Handmade in the UK by the UK's most trusted sleep brand Mattress depth: 36.5cm Single: W 90 x L 190cm, Small Double: W 120 x L 190cm, Double: W 135 x L 190cm, King: W 150 x L 200cm, Super King: W 180 x L 200cm