Pressure Relieving Mattress...This low to medium risk mattress is robust yet light to use. The deep, luxury grade foam surfaces surround a supportive core. Ideal as a replacement mattress with no ‘add-on topper needed, meaning excellent value for money. The vapour permeable, two-way stretch cover has a wipe clean surface with no laundering required. Waterproof and fire retardant, the cover also has a zip on three sides for easy inspection or removal. Maximum User Weight: 31.5 Stone (200.6kg).