FOAM FREE BONNELL SPRING DOUBLE MATTRESS 135x190CM: Designed with plush comfort layers and a supportive open coil spring system for a soft yet stable feel. Completely foam free, ideal for allergy-conscious sleepers. DURABLE OPEN COIL SUPPORT SYSTEM: Engineered with a high-quality Bonnell spring unit to promote even weight distribution, long-lasting durability, and consistent comfort across the entire sleep surface. BREATHABLE COOLTOUCH SLEEP COVER: Finished with a premium Cooltouch fabric that enhances airflow and helps regulate body temperature for a cooler, fresher sleeping environment. IDEAL FOR KIDS, GUEST ROOMS: With an 18cm depth, this mattress is well suited to children’s beds, spare rooms, and loft spaces where a practical, supportive mattress is required. UK MADE & MATTRESS IN A BOX DELIVERY: Handmade in Yorkshire to meet UK domestic fire safety standards. Vacuum packed, rolled, and boxed for easy transport to any room, simply unbox and allow to expand to full size within a few hours.