Package content: 4 * washing machine ball 1.Good work: dryer balls can soften clothes and protect your delicate skin from allergies. A good tool for removing twists from clothes and reducing wrinkles caused by washing machine. 2.Good value for my: Dryer balls are used not only for drying clothes, but also for washing clothes. These wash balls allow air to circulate and greatly reduce the amount of laundry detergent. It rubs against the fabric to generate heat and speed up drying. 3.Easy to use: By inserting the ball between the clothes, you can create rapid airflow and better heat distribution. 4.Reusable: dryer balls can be used multiple times in drum washing machine or washing machine. Speed up the drying process and reduce the load on the clothes. 5.Material: Environmentally friendly, non-toxic.Lack of chemicals harmful to the environment and skin.Effectively and easily insulate clothing and soften the fabric in a natural way.