The only time youll ever WANT blue balls and were here to give them to you. The unique design of Nellies Dryerballs works to lift and separate fabrics, while relaxing fibers, which reduces wrinkles, softens fabrics and shortens drying time by up to 25%! So you save time AND moolah! One pair of Blue (Dryer) Balls, please!- How to use: Use in place of dryer sheets. Toss both Dryerballs into your dryer and dry accordingly.- Ingredients: Polyvinyl Chloride