Double Plus Qusntum Silicon Kneepad is a qusntum energized product that is made to absirb shock and also give impact protection. The inbuilt Silicon core is made to act as cushion, this reflects hard knocks frictions and this protects the joints from bruising or patellar wear..it controls swelling and also a pain reliever, redu es onflamation, and eases daily joint pains.. this pad wraps snugly around tge patellar preventing ligament strain and muscle shakes which also prevents unwanted sliding and twisting during movement