The Visco Therapy Bliss Pocket Latex Memory Foam Small Double Mattress is made from a 20mm layer of talalay latex & 50mm of visco memory foam plus a high density foam underneath for superior pressure relief. Individually wrapped pocket spring unit to offer additional support & comfort. Dry cleanable zip off mattress cover. This orthopaedic mattress has anti dustmite features & is also hypo-allergenic making it suitable for all types of people. 24cm mattress thickness & sanitised soft fabric. Anti dustmite features 5 year warranty to all customers Made to British Standards/ Regulations