EXTRA THICK 4-INCH/10CM MATTRESS TOPPER: Add instant comfort to any bed with this ultra soft thick mattress topper. Perfect for reviving old mattresses or adding luxurious softness to any bed. BREATHABLE MICROFIBRE COVER: Features a cooling, lightweight microfibre cover for enhanced airflow and temperature regulation. Ideal for hot sleepers and all-season use. CLOUD-LIKE COMFORT: Designed to cradle your body and relieve pressure points, this topper provides hotel-quality comfort that instantly upgrades any mattress. PREMIUM HOLLOWFIBRE FILLING: Filled with hypoallergenic hollowfibre that mimics the feel of down - supportive, plush, and breathable. BOX STITCHED: Designed with durable box stitching to keep the hollowfibre filling evenly distributed across the entire surface which means no clumping or flat spots. Enjoy consistent support and comfort every night. SECURE FIT: Elastic corner straps ensure a snug, secure fit on any mattress, preventing bunching or sliding. HYPOALLERGENIC: Crafted with hypoallergenic materials, this topper resists dust mites and allergens. EASY CARE: Machine washable for easy maintenance and long-lasting freshness. GENEROUS SIZE: 135x190cm - Perfectly sized to fit UK double mattresses, offering full edge-to-edge coverage.