Teaching your cat to use the toilet is easy with the Litter Kwitter Cat Toilet Training System. This system was featured on TV and can be fitted or removed to your toilet in only five seconds. It includes a plastic cat toilet training system with a white seat that fits over standard toilet seats. It's strong enough to support the weight of any cat and cleans up easily. The Litter Kwitter cat toilet training system includes a DVD with step-by-step instructions.