Naturehike Ultralight Manual Inflatable Hand Press Inflating Dampproof Sleeping Pad Portable Tent Air Mat Mattress Outdoor Camping WATERPROOF AND DURABLE - Made of 80% Chinlon + 20% TPU which results in its waterproof function; high density fabric makes itself wearable and tear-resistant. Premium brass air outlet valve and non-removable cap equipped prevent units from missing and promise a more effective inflation. NOVEL INFLATION METHOD - Open the inflate valve, cover the charging port while you use your hand or foot to press down sponge. After sustaining this action for about 5 minutes, you will get a comfortable and functional sleeping pad. No more air pump or your exhausting blow needed! VERSATILITY - Suitable for outdoor and water activities. Not only a sleeping pad for camping, trekking orhiking to rest, but also a mat on beach or sea to relax and take a sunbath. Premium press self- inflating camping mat with non-corrosive brass valves. Faster inflating and deflating Extra thick makes you no longer feel hurt on your back and hip, which is great for a super comfy trip