Experience the ultimate sleep with the Sealy Posturepedic Elevate Holst Mattress, featuring a unique blend of AlignSupport™ coil springs and InfiniLux™ foam. This mattress provides exceptional support and comfort for a restful night's sleep. The twice-tempered coil spring system ensures spinal alignment and durability, while the UniCased™ edge support system enhances stability and maximizes the usable sleep surface. Enjoy cosy comfort with the premium InfiniLux™ foam. The Holst mattress is designed to support your body's natural posture, reducing muscle tension and strain. Sealy Posturepedic technology, backed by scientific research, aligns your body position during rest. The AlignSupport™ coil is a unique two-stage spring system that responds to your body's weight for deep-down support. It also features a ComfortCore in the center third to relieve pressure on hips and lower back. The mattress has a medium feel, offering a perfect balance of softness and firmness. Infused with SmarTex, it disperses heat and regulates temperature, while ProShield protects against allergens, endorsed by Allergy UK. Handmade in Britain, this mattress comes with a 7-year guarantee. Dimensions: Single: 190H x 90W x 30D cm, Double: 200H x 135W x 30D cm, King: 200H x 150W x 30D cm, Super king: 200H x 180W x 30Dcm. Care instructions: Rotate the mattress 'top-to-toe' at least twice a month during the first year and once a month thereafter. Wipe clean only. Materials: Polyester & Foams.