Material: These laundry balls are made of high- plastic, durable and reusable without damaging the clothes and the washing machine, have good elasticity and do not fade. It is a good helper to remove lint from clothing. [A good helper for hair removal]To prevent clothes from tangling, washing efficiency, shorten drying time and make clothes less wrinkle, extend the life of washing machine and clothing. Save water and time: remove pet hair from clothing during washing to avoid re-washing. Save detergent, water and time. Use: In general, a 5 kg laundry task requires 24 laundry balls. Inserting the washing machine ball in the washing machine can prevent clothes from getting tangled and use strong friction to the washing effect and make clothes cleaner. Multi-purpose: It can be used for many purposes, for removing pet hair, removing clothes, absorbing hair and dust and other dirt, removing bedding, coats and clothes, blankets, bedspreads and other hair, lint, pet hair and other residues. Type: color:Blue Material:ABS size:3.5cm Package Contents: 18 x Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.