Trampolines Sizes: 32", 36", 38", 40", 45", 48", 50", 54", 60", 68" We're manufacturer of the Trampolines TrampolinesFeatures:1) Sizes: 32", 36", 38", 40", 45", 48", 50", 54", 60", 68"2) Jumping mat: calendered permatron polypropylene mesh, vinyl3) Spring wire: oil tempered, high carbon contentInner packing:1pc/box (can be with your own logos) trampolines