CPAP PRO II provides the ultimate in comfort and convenience for CPAP & BiPAP users. CPAP PRO II's Double Bite Mouthpiece keeps your mouth closed so you don't have to worry about chinstraps or bulky full face masks; and its integrated mandibular advancement actually enhances sleep therapy effectiveness. With no straps or pressure points and super soft pillows CPAP PRO II is the ideal choice for a restful night's sleep!