Cotton armchair booster cushion with a removable cover and orthopaedic foam for additional support when sitting. Filled with specially developed orthopaedic foam (33/190) typically used in sofas and chairs, this booster cushion will retain its shape over time and provide lasting support throughout regular use. This specially designed foam is designed to help support the lower back, hips and knees when sitting or standing from an armchair. Ideal for those who are recovering from surgery, the elderly or pregnant women, this booster cushion will help provide support when sitting and can even be used to refresh old and tired armchairs.