Replace your worn out old pad with this High Quality "Upper Bounce" safety pad to get your trampoline back to use safely! . Super Trampoline Replacement Safety Pad (Spring Cover) Fits for 11 'Round Frames -Blue Replacement Safety Pad Fits for 11' Round Frames -Blue. "Upper Bounce" Trampoline Pads contain the best shock absorbent, high density, closed-cell foam that will not absorb water, mildew or lose shape.