Dryer Balls are sold in singles for $6.50 or 3 for $18.00. We recommend 3 to work properly in the dryer. these are great for the environment! Get rid of those dryer sheets with chemicals. Dry your laundry quicker without harsh chemicals. Our household came late to discovering dryer balls – and now we can’t live without them. These are made from our own Rosehaven alpaca fiber.