The Just Scentsational Pooh Stone is the fastest and simplest way to train your dog to only use a specific place for their business. Just place the Pooh Stone in area you choose for him to "do their business", guide the dog toward the stone, and in no time, your dog will be attracted to that area like a magnet. Its special scent is irresistible to your dog, and he will quickly be trained to only use a specific area for all of his 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. Good for many months of outdoor use. Time depends on outdoor weather conditions.