This Sky-Flyer trampoline jumping mat is suitable for a trampoline with a diameter of 10ft / 305 cm with 60 springs of 17.5 cm long. The jumping mat is made of European Permatron. This European Permatron is of high quality and has a UV-resistant layer, so the jumping mat will not fade quickly. A Sky-Flyer jumping mat is perfect for young jumpers who want to jump smoothly. This jumping mat comes with a 2-year guarantee.