Bring back your Trampoline bounce and Safety with this Trampoline Replacement Jumping Band Mat With attached Safety Net designed to fit for 55" Round Trampoline frames that are using a band mat with 30 bands. (30 clips to attach the mat to the frame inlcuded) Gap free Highly durable Terylene-Quality Safety Net enclosure design attaches to the jumping surface eliminating gaps. Heavy Duty PP Mesh Material Jumping Mat (Jumping Surface). Band Mat attaches to frame with metal clips, So if your trampoline uses springs this product will work for your too! Just replace the springs with the included clips and you are good to go!