JumpKing / Bazoongi Trampoline Mat fits 12 ft. Frames that use 60 5.5 inch Springs (SPRINGS NOT INCLUDED) JUMPING MAT ONLY - SPRINGS NOT INCLUDED! Mat Size (Across): 126in V-Ring Quantity: 60 Compatible Spring Size (Springs Not Included): 5.5in Compatible Trampoline Frame Size (Trampoline Not Included): 12 ft