[Included] 15 pcs solid magic laundry balls,4.5cm across [Material] These laundry scrubbing balls are made of premium solid soft PVC, durable and soft which will not harm clothes and washing machine, good elasticity and wont fade as well [Usage] The 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. [Reusable] High quality washing ball is durable and reusable.10 to 15 balls are ideal for a wash weighing around 10 kilograms Material.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 not damage clothes.