This self-inflating air mattress is ideal for picnics, camping, hiking, sunbathing, hunting and any other outdoor activities. This waterproof mattress protects you from damp grass, sand, and bleachers. The built-in pillow is inflatable for your optimal comfort. This air mattress, weatherproof and moisture resistant, is designed with the non-slip polyester sleeping surface, thus adding more comfort. This rolls up quickly with two included straps and a carrying bag, ensuring easy transport and storage. Filling material: PU Foam 19D