Crutch-Mate replacement arm pads are manufactured using a high glycerine content gel. <br/>This patented gel formula ensures that the arm pads will retain their shape and effectiveness.<br/><br/> Crutch-Mate arm pads will not dry out, crack or split. <br/>In addition, the resilient gel helps prevent friction and skin breakdown.<br/><br/><strong>Cleaning Instructions</strong><br/><br/> Crutch-Mate arm pads may be wiped down with a damp<br/>(not wet) cloth and mild soap or disinfectant. <br/>Allow the arm pads to air dry before use.<br/> <br/> <strong>Note: DO NOT machine wash or allow the gel to get wet. <br/>The gel will absorb water and swell.</strong>