Pressure points: Aims to relieve pressure points on the body to promote a healthy night's sleep. Hypoallergenic: Great for allergy and asthma sufferers - this mattress is dust mite and mildew resistant, antimicrobial and antibacterial. Cover: Comes with a premium feel soft knit cover that is machine washable! Material: Made from CertiPUR certified safe foam. Expandable: Please allow up to 48 hours for the mattress to expand fully. Mattress: Get a PureFlex orthopaedic memory foam mattress. Pureflex Orthopaedic Memory Foam Mattress | Living Social | Living Social