Meet the most durable air mattress on the market. The 4 Single, available in the Khaki Geo pattern, is designed for indoor and outdoor use alike and features neverFLAT Fabric Technology, the newest member of a problem-solving family of air mattresses designed to deliver a consistent and comfortable sleeping experience. It works by using a two-way valve that monitors pressure and adjusts quietly as needed. For added durability, its polyester laminate construction is a sturdy material that is different from traditional mattresses. Its structure runs horizontal, creating a comfortable sleeping experience that lasts! But just in case we've included a repair kit for backup.