Sizes: Single, small double, double, king or super king. Hypoallergenic: Non-allergenic memory foam which is antibacterial and dust-mite resistant for a fresh sleeping environment. Made in UK: Premium quality manufactured in the UK to British standards. Comfort: The ideal mattress topper to adapt to the shape of your body, and relieve pressure off your joints and muscles for a deep night of sleep. Mattress topper: Get better sleep with a memory foam mattress topper. Depth: 2.5cm (1”).