AliMed SleePAP PillowDesigned for comfort and compliance, helping keep mask in place and preventing leaks and pressure points while also providing improved head and neck support and spinal alignment. Perfect for CPAP and Bi-PAP users, the pillow is designed for sleeping on the side, stomach or back and is ideal for post-thoracic, plastic and orthodontic surgery or bariatric users. Machine wash and air dry.