- Made of polymer flocking PVC anti-pressure fabric,Soft and comfortable, abrasion and pressure resistant. - Large inner hole, can be placed directly on the seat chair to use. - Maximum load-bearing: 100kg.Wheelchair, bed, toilet chair can be used. - Ergonomic Designe: The cushion seat can be used as an ergonomic chair cushion, wheelchair cushion, orthopedic seat cushion, bed sores cushion, hemorrhoid pillow, tailbone cushion, and elderly sitting cushion, depending on our customers's pecific needs. - The U shaped ergonomic design recommended by orthopedic doctors across for treatment of chronic, bedsore, pregnancy or acute pain by alleviating pressure in strategic areas.