Package Includes: 16 pcs solid washer balls.( Color Random). Usage: Pants coat class hard cloth washing can put 8-10 balls.Laundry Ball could make washing machine and clothes kept rubbing greater impact force.Make more clean clothes washed, but do not damage clothes. Reusable: High quality washing ball is durable and reusable.10 to 15 balls are ideal for a wash weighing around 10 kilograms. Perfect Design: The laundry scrubbing balls improve washing greatly by unique convex and concave design, save lot of water and energy.Clothing more fluffy, not twining Separate clothes effectively and soften fabrics naturally. Material: These laundry scrubbing balls are made of premium solid soft PVC, durable and soft which will not harm clothes and washing machine, reusable and durable.Putting it in the washing machine with the clothes can effectively remove hair and fluff from the clothes.