This jump mat is made of UV-protected polypropylene. This jumping mat is assembled using 28 3.5" Springs (20mm Diameter 013006) that attach to 14 Spring Rods (Springs Rods are NOT included with the mat. They are sold separately 014082).
Fits Skywalker Trampoline Models: SSFH40TE, SSFH40GY, SSF140TE, SSF140GY and SSF140BK