Kitty Whiz Cat Transfer System This kit is designed to assist in the toilet training of a cat. It eliminates the mess, odor, and expense of a litter box. To use, simply place the plastic form over the toilet seat and fill the tray with litter and the included herbs. After a few days, remove the plastic tray and the cat will automatically use the toilet! Can easily be moved when a human being needs to use the toilet! Kit includes: 1 bag of enticing herbs 1 clear transfer form 1 insert form 1 heavy duty reinforcing ring Instructions 1 diploma to give the cat when the training is completed Not recommended for cats weighing more than 10-12 pounds.