Bring back your Trampoline bounce and Safety with this Machrus Upper Bounce Trampoline Replacement Jumping Band Mat With an attached Safety Net designed to fit 55" Round Trampoline frames that are using a band mat with 30 bands. (30 clips to attach the mat to the frame included) This highly durable Terylene-Quality Safety Net enclosure design attaches to the jumping surface eliminating gaps. Made of heavy duty PP Mesh Material Jumping Mat (Jumping Surface). The band mat attaches to the frame with metal clips, so if your trampoline uses springs this product will work for you too! Just replace the springs with the included clips and you are good to go! Let's go out and Play!