Specification: Material: Nylon, plastic Color: Red&Green Diameter(Approx.): 3.5cm New and high quality. Quick and easy to use, simply place the ball and clothes in your washing machine. The small bristles will absorb lint and also avoid the formation of nodules on clothes. To make your laundry looking cleaner and brighter. After washing, just remove the lint and hair from the balls and you can use them again. Warm hint: It is best to place several balls into the machine. This will allow a larger amount of hair and lint to be absorbed,