Provides optimal 30-degree angle of incline for relieving pressure on hipbone and coccyx. Wedge is comfortable, high-density foam. Covered in low-shear fabric to reduce skin-damaging friction and shear. Nonslip bottom keeps wedge securely in place. Wipes clean for easy care. Can be disinfected for infection control. Now available with a convoluted foam surface that enhances comfort. Latex free.