PVC coated terylene laminated oxford terylene,powered by strong blower,easy set up and take down,inflates in less than a minute. Material-Size: Environmentally friendly oxford cloth ,PVC;385X300X290CM. This inflatable castle is made of high quality and durable oxford material, which is durable, waterproof and non-toxic;Don’t worry that excessive jumping will shorten the life of the bouncy castle;It is very safe for your children to play in this bouncy castle. After-sales service: If you encounter any problems during the ordering or receiving process, please feel free to contact us, we will provide you with the best service. The product is made by high-speed industrial sewing; It is not a sealed product;It needs the pinhole to run the air blower without interruption;It can achieve the effect of bounce;So, the product leaks and runs without worrying;It is a normal phenomenon.