Throw farther, faster, & never bend down to pick up a slobbery ball again Made from lightweight flexible plastic that firmly grasps a ball, then releases it as you swing Charge the MAX GLOW rubber grip under a bright light 5 to 10 minutes for 20 to 30 minutes of high-visibility, lighted play. Includes max glow rubber ball Exercise your dog in a fraction of the time! Throws tennis ball 2X further Medium Size with 18 inch handle; Can be used with all medium 2.5-inch Chuckit! balls