Have a dreamy night's sleep with the Extra-Thick Comfort Memory Foam Mattress Open coil spring design with a layer of memory foam Extra-thick depth of approximately 11-12" for ultimate relaxation Has a medium firmness so you can feel comfortable at night Made with hypo-allergenic and anti-bacterial filling Includes a cooling touch cover perfect for the hot months Arrives rolled and boxed Choose from 6 UK sizes: small single, single, small double, double, king size, or super king size