Protect your kids from getting hurt on trampoline poles with these Upper Bounce 44 in. Trampoline Pole Foam Sleeves. These sleeves offer that extra bit of protection. They're made of water-proof and UV-protected blue foam for a bright spot of color and added peace of mind. The sleeves measures 44 inches long and fit 1.75-inch diameter trampoline poles. Comes in your choice of select set sizes.