Durable material: the reusable dryer ball is made of nylon, so durable and sturdy that you can use for a long time,Laundry balls have a lifespan of up to two years. Product design: Round ball made of pure nylon hook surface,the amazing hook noodles can sweep away the velvet on the clothes. It is harmless to human body. Usage: Clothes more or dirty should put more laundry ball, the more the more clean effect.General 5 kg laundry task, put 24 balls, and clothes into the laundry ball machine with washing.After washing, the ball can be dehydrated and dried together with the clothes, no need to take out, remove the sundries attached to the laundry ball. Easy to use: The special micro circle shape decontaminates bristles, along with the water current rotation will besmirch brush, at the same time prevents the clothings to tie, but does not damage the clothings and the laundry ball, enhances the clean effect, shortens the laundry time, lengthens the washer and the clothing service life. What you receive: the package includes 24 pieces reusable dryer balls, enough quantity for you to use and share with others.Each Ball is 3.5 cm/1.38 inches in size, which is small and saving the space of washing machine.