Bladder Patch Install kitIf your screw valve or other valve with a large base has to be cut out of the bladder then you need this Bladder Patch Install Kit. Use this kit to repair the large hole in your bladder and then install a new valve on top of it to get your kite back in working order. This patch is self stick (peel & stick) and can be used to patch any bladder material or color. The specially formulated adhesive is incredibly durable, making for a quick repair.