"Created for colder nights, the Starlight Beds Sleep Warmer Premium Hybrid Mattress combines a heat-retaining sleep surface with advanced comfort technology for a consistently cosy feel. Designed with exclusive Warmer Extreme fabric, it helps retain warmth while preventing overheating, supporting a comfortable sleep environment. The Warmer Extreme fabric is described as generating heat for winter comfort, helping to keep the sleep surface warm and dry. Inside, a dual comfort support system is engineered to deliver pressure relief and body contouring, with five times more support and six times more comfort than standard fillings. Handcrafted in the UK, this mattress meets BS7177:2008 Domestic Use fire safety standards and arrives vacuum-packed, rolled and boxed for easier handling and setup. Key features Exclusive Warmer Extreme fabric designed to retain heat while helping prevent overheating Warmer Extreme fabric generates heat for winter comfort Dual comfort support system for pressure relief and body contouring Five times more support and six times more comfort than standard fillings Handcrafted in the UK Meets BS7177:2008 Domestic Use fire safety standards Vacuum-packed, rolled and boxed Dimensions Depth: 20cm Please note: Colours shown are as accurate as possible, though may vary slightly depending on your screen settings."