Knee Unifoam Universal Knee Immobilizer 16 Smith Nephew Dressings Headset tension is easily adjusted Color:Yellow Headset tension is easily adjusted for head size and comfort by squeezing together or pulling apart the eartubes 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 16 Long * Universal green foam knee immobilizer * Measure circumference 6 above and 6 below the knee Fits circumference: (6 Above Knee): 16 25 (6 Below Knee): 10 19 * Features movable side stays * HCPC CODE: L1830