Unlike many other water trampolines on the market, this model has springs, which makes it especially flexible and comfortable to jump. The circumference of the trampoline is made of truly durable, 0.9mm thick PVC material, the frame of the diving net is made of sturdy metal, and the included electric pump makes it possible to fill the water trampoline in an instant. Product Information: Diameter: 4 meters Jump area diameter: 2.4 meters Circular thickness: 80 cm Load capacity: 3 adults (max. 320 kg) Material: PVC Included: 500W electric pump (CE approved)