Premium Rebounder Mat: Our round jumping mat is made of heavy-duty polypropylene to ensure sustained bouncing and coil springs for high elasticity. Assembly size is 40” x 33-42’’ from platform to top for good jumping · High Quality Trampoline: This heavy-duty trampoline has a durable construction and can support up to 330 lbs. A perfect fitness tool for you to increase your strength and stamina · Easy to Assemble: We have included a detailed assembly instruction manual. We listed each specific assembly step and all parts and showed the steps in picture form. It also comes with a free kit bag. Get yourself a personal trampoline now · 24/7 US-Based Warranty Service: If you have any problems or concerns about the product or order, contact us!