Headed out camping or need an extra bed for guests? Look no further than the inflatable Retreat TPU Double Air Bed for a quick and easy set up that provides that extra comfort between you and the floor. TPU (thermoplastic polyurethane) is the next step in the evolution of coating applications. While PVC (polyvinyl chloride) still gets the job done well, TPU has out-rated it in comparison tests. TPU is lighter, stronger, less likely to de-laminate or deflate and more durable the PVC.