SkiL Care™ Positioning Wedge, 1 Pair Jobst Ultrasheer 15 20 Pntyhse 5v Rechargeable battery or 2 HERH6036TW 5v Rechargeable battery or 2 C batteries * 1 x 24 x 68 * *Reduces impact energy and protects resident from serious injury * Trip resistant beveled edges * Low profile stable surface allows resident to stand walk or wheel over the mat without difficulty * Slip resistant bottom keeps mat securely in place * Nano silver throughout which protects mat from stains odor causing bacteria mold and mildew * Textured top surface no slip stable surface Reduces sacral pressure to prevent decubitus ulcers Provides 45 degree angle of inclination for relieving pressure on hipbone and coccyx