This unique roll up innovation allows the mattress to rapidly inflate once the packaging is removed, gaining its natural shape and height. mattresses feature 15cm of High density support foam and 5cm of Super soft foam & 2.5cm visco memory foam. comes in a zip QUILTED knitted removable cover. This cover allows the mattress to freely breathe as the air circulates around the mattress reducing any build up moisture, feeling fresh & cool throughout the night. is a hypoallergenic mattress which has anti dust mite properties ideal for those who suffer from Asthma, hayfever and eczema. 22.5cm (2.5cm Memory Foam, Super soft foam 5cm,15cm high density Support Foam). Mattress Support: Soft – Medium. Quilted Removable Hypo Allergenic Washable Zip Cover. Brand Name: White Noise. Size: Single (3')