Navy cotton armchair booster cushion with removable quilted cover, large 50cm square, firm and supportive armchair cushion with firm orthopaedic foam cushion. Navy Booster Cushion Durable square booster cushion to support and cushion your back, hips and knees whilst sitting. Designed to fit standard sized armchairs, this 50cm square booster cushion is filled with a specially developed British orthopaedic foam (33/190), typically used in sofas and chairs to ensure lasting support and longevity. Orthopaedic Armchair Cushion Encased within a 100% cotton navy blue cover that can be easily removed, this thick casing features a square pattern quilting which has been lined with durable polyester for added comfort. Easy to remove, the cover features a zip down 2 sides, so that it can be quickly removed and washed, keeping your booster cushion clean and fresh. Part of Homescapes booster cushion collection, additional armchair booster cushion covers are also available separately and can be used as a spare cover for orthopaedic booster cushions and standard booster cushions.