The competition trampoline frame measures 520 x 305 x 115cm. The jumping bed measures 426 x 213cm. It is made from 4 x 4mm woven nylon bands. This bands ensure to keep the jumping height stable with less effort. The bed is fixed with 118 springs. The 8 corner springs are specially reinforced. For a higher stiffness the legs are also supported by a double brace system. This item is certified by the FIG.