Replacement Safety Pad Fits for 11' Round Frames -Purple Super Trampoline Replacement Safety Pad (Spring Cover) Fits for 11 'Round Frames -Purple This Trampoline Safety Pad protects the jumper from falling on the steel frame or getting hurt from the springs.. Replace your worn out old pad with this High Quality "Upper Bounce" safety pad to get your trampoline back to use safely! "Upper Bounce" Trampoline Safety Pad is a must to have to ensure your family's safety!.