Two (2) 1-ounce foil packets of recharge scent for the Pooh Stone (sold separately). The Pooh Stone by Just Scentsational is the fastest and simplest way to train your dog to only use a specific area for their business. Pour contents of scent packet on to the Pooh Stone to bring it back to full scent strength, and place the Pooh Stone in the area you choose for your dog, and after bringing your pet to that spot 5 - 6 times the dog will be attracted to that spot like a magnet. It's special scent ingredients are irresistible to your dog and he or she will quickly be trained to only use a specific area for all of their needs. The Pooh Stone is made of all natural absorbent rock material. It is lightweight and resistant to fracturing. Due to the scent, the Pooh Stone is recommended for outdoor use.