Put the laundry ball into the washing machine It can prevent clothes from getting tangled It can also use its own strong friction to increase the impact,Make clothes cleaner Material: PVC Color: random color Package Contents: Pack of 10 Tumble Dryer BallsProduct Size: 10 Laundry Balls, The Diameter Of Each Laundry Ball Is About 1.78in 4.5cm. Reusable:The Dryer Balls Have a Long Life, Strong And Durable, And Cost-Effective. These Tumble Dryer Balls Can Be Used Hundreds Of Times. No Longer Worry About Clothes Tangled Together:It Can Effectively Prevent Tangles Between Clothes, Improve Laundry Efficiency,No Need To Separate The Clothes After Washing Them. Easy To Use:This Specially Designed Cleaning Ball Allows Air To Flow More Freely While Softening The Fabric,Reduce Your Drying Time And Energy Bills. High-Quality Materials: The Laundry Balls Made Of PVC Material, Soft And Round Design, Good Elasticity, Effectively Prevent Clothes From Tangling Each Other.