Roylan Therapy Putty, Medium Soft, 4 oz., 1 Each Over the Counter Interlocking fasteners hold the end Color:Yellow Interlocking fasteners hold the end of the pouch for a secure closure 5 LBS * The Bodyblade system of training provides a functional tri plane core based training environment ideal for rehabilitation sports performance training personal training and group exercise * Each Bodyblade is designed to improve strength balance coordination proprioception posture and core stabilization using low level vibration and inertia not gravity * Bodyblade automatically delivers progressive resistance targeting the small deep stabilizing muscles as well as the larger prime movers in an exquisitely balanced approach to training the body from the center out * clean and non oily twisted or pinched to meet a wide range of strengthening needs