Take your game to the next level with our tennis dryer balls. Perfect Use: Makes Fabric Fresh and Static Free in the Dryer up to 1000 times. Sustainable Impact: Replaces Single Use Dryer Sheets and Liquid Fabric Softener. Fair Trade. Dimensions: 3" Includes: Set of 3 with Storage Bag. Material: Made with 100% Wool from Nepal Care: Keep Dry and Spot Clean if Needed.