Inspired by the deep, natural elegance of obsidian rock, this mattress features a striking cool touch black top cover that reflects minimalist beauty and modern design. Mattress Depth 28cm. COMFORT & FEEL: Medium-firm offers the perfect balance of softness and stability for all-night support. DUAL-LAYER COMFORT: Pressure-relieving memory foam gently contours to your body, while high-density reflex foam provides responsive support for a balanced, ache-free sleep. UNDISTURBED SLEEP: Individually wrapped pocket springs isolate movement for zero partner disturbances as well as the freedom to move naturally during sleep without feeling restricted. ENHANCED EDGE SUPPORT: Firmer pocket springs around the perimeter provide reinforced edge support, preventing roll-off and maximizing the usable sleep surface. LUXE COOL SLEEP SURFACE: Cover is breathable and soft-touch, promoting airflow for a fresher, cooler nights rest. REVOLUTIONARY HEAT REPELLENT DESIGN: More than bold looks: a fusion of advanced sleep technology with heat repellent black fabric, luxurious craftsmanship, and everyday comfort in a sleek, modern form. HYPOALLERGENIC: Crafted with allergy-friendly materials to create a cleaner, healthier sleeping surface - perfect for sensitive sleepers. Available as a 2FT6 Small Single Mattress, 3FT Single Mattress, 4FT Small Double Mattress, 4FT6 Double Mattress, 5FT King Mattress, 6FT Super King Mattress. WARRANTY ASSURANCE: 1 year manufacturer warranty for peace of mind. | Somnior Obsidian 7 Zone Pocket Spring Motion Isolation Black Mattress 28cm | Size: Double. Free delivery on orders over £30