Padded cushion is specially designed for the left right or bilateral amputee *Black leatherette zippered cover *Leg extensions are approximately 1/2 of the seat width x 9 long *Overall length with Leg Extension is 25 *Overall thickness is 1 1/2 for the Narrow Adult Adult and X-Wide models and have a 5/8 plywood base *The XX-Wide (22 and larger) have an overall thickness of 2 1/2 and have a 3/4 plywood base *Meets CA-117 code *X-Wide *20w x 25d *Bilateral Extension