The specialty paper is designed to fit comfortably in a Grip N Rip (pre-cut). The Grip paper should be replaced about every 6 to 9 balls or until the user finds it appropriate. It is important to maximize the resurfacing efficiency of the Grip N Rip so the user will not have to shake as long to get their desired lacrosse ball feel and look. The grit of this paper (80 grit) has been specifically selected for the purpose of renewing lacrosse balls. It is also waterproof, to protect from wet lacrosse balls curling the regripping paper!(5-pack)Best value!