Skil Care 45° Positioning Wedge is specifically designed to promote proper hip and spine alignment. This bed wedge reduces sacral pressure to prevent pressure sores or ulcers from forming. It also helps heal existing pressure ulcers. Manufactured with convoluted foam, this pillow wedge for beds offers a relief to patients with skin sores. The convoluted foam cushion is comfortable and smooth. Select between two options—without cover or with Low-Shear II Cover. The model with a cover can be easily wiped clean or spray cleaned with a disinfectant. The bottom of the cover has a non-slip surface to keep the wedge securely in place.