Powerful Clean: Pack A Punch In The Washing Machine. As Your Washer Spins, The Pound Into The Fabric, Forcing Soil And Stains To The Surface. | | Strong And Reusable: Made With 100% Eco-Friendly And Durable Silicone. Free Of Lead, Bpa, And Phthalates. | | Includes: A Total Of 4 Agitator Balls,, Each Ball Weighing Approximately 1.5Oz And Measuring 2.5 Inches In Diameter. Just What You Need To Get Your Laundry Cleaner And Drier. | | Faster Dry: In The Dryer, Lift And Separate The Fabric Allowing Hot Air To Flow More Efficiently, Helping Dry Your Laundry Quickly. The Bumps And Spikes On The Balls Massage The Fabric So It Comes Out Softer And Fluffier. | | Use: Toss All 4 Into The Washer With Your Cloth Diapers Or Regular Laundry. When The Wash Cycle Is Complete, Transfer The (Along With Your Laundry) Into The Dryer. Specially Designed For The Cloth Diapers (Sold Separately), Safe And Effective On All Of Your Household L.