This McKesson Foam Doughnut Seat Cushion is ideal for providing comfort for wheelchair-bound people and people who spend long periods of time sitting. Ergonomically designed, the cushion's molded foam open center and conforming characteristics minimize pressure-point discomfort thereby making it a practical wheelchair accessory for day-to-day use. It may also be useful for the relief of pain and pressure associated with various conditions such as hemorrhoidal surgery and pressure sores. This foam doughnut cushion is puncture resistant, and each foam seat cushion weighs approximately one pound; 14 inches in diameter; and covered with an removable, machine washable blue cloth cover making it an ideal portable seat cushion. Plus, the lightweight design of this foam doughnut cushion makes it easily transferable between wheelchairs, chairs, and cars to provide comfort for everyday activities.