Made to an ergonomically beneficial angle. – Designed to support the back of the knee and heel whilst allowing the calf to relax – Takes pressure from the lower back and stimulates circulation – Back pain is relieved and symptoms of oedema, varicose veins and fatigue are greatly eased – Washable polyester fleece/velour cover – Size: 46x63x17x12cm (18x25x6¾x4¾”).