This double sleeping pad is made of high-quality nylon fabric that is ripstop, waterproof, and washable. 2.4 thickness is super comfortable. This thickness can well withstand the rocky terrain below, and with a comfortable headrest, ergonomically designed to perfectly fit the cervical spine, say goodbye to cervical pain, and spend a wonderful vacation with your loved ones. With the upgraded quick-inflation pump, the cushion inflates in less than 3 minutes with just a few pedal strokes and deflates in seconds when the deflate valve is opened. Weighing only 3 pounds, the mat is very portable and has plenty of room for other equipment when deflated and folded. Perfect for backpacking, family camping, hiking, and for guests at home.