The Pet Hair Remover Dryer Balls by Grand Fusion is the perfect solution for those who love their pets but hate the pet hair that sticks to clothing. The hair remover balls are the fastest and easiest way to remove pet hair from clothes. Simply throw the balls in the drier with recently washed clothes. The foam balls create friction to knock hair and lint loose. The balls are gentle on clothes, but effective on pet hair, eliminating the need for lint rollers. Use 2-3 balls for small dryer loads and 4-5 balls for large loads. Set of 3 foam balls. Gentle on clothing. Eliminates need for lint rollers. Creates friction in clothes dryer to knock hair lint from clothes. Rinse clean before first use; there may be minimal black fuzzy residue remaining from the manufacturing process.