Designed for repositioning yourself, or to help someone reposition themselves, whilst sitting, the Glide & Lock Sheet simply slides backwards into a secure position with its slip-resistant material in the bottom panel that locks the sheet in place. Avoid the risk of slipping off your chair and reduce the effects of friction on skin with these sheets that feature a breathable, waterproof top coating to reduce sweating and improve comfort. Suitable for use unassisted or with a carer, these sheets are machine washable and also available in adult size for use on beds or in junior size for bed or chair use. One Glide and Lock Sheet - Chair Size: 460mm x 500mm (18" x 19.5") Machine washable at 72°C