Generally speaking, sweaters will pilling, even if they are expensive!On the contrary, low-priced sweaters of mediocre materials can't afford the ball, but sweaters of this material are rough, and it is not recommended for everyone to choose.If you usually wear a sweater to pilling the ball, you can use a ball remover.The method of use is very simple, just turn on the switch of the ball remover and let it touch the place where the ball is pilling.After using it, open the shell of the ball remover to clean up the hairballs inside.