This product is a great for drying your sports balls off to protect them from rot. It is sold in sets of 2 bags of compound per box. All you need to do is put into bag, pail or sealed container & baseballs, footballs, tennis balls, etc., are dry in 15 seconds. Once opened, you must keep the Sports-Dry in an airtight container. This product may also be known as Dri-Ball.