The LITTER KWITTER Cat Toilet Training System is an award-winning 3-Step training system designed to train cats to use a human toilet and rid the house of an unhygienic litter box. The LITTER KWITTER and the training protocol were developed with animal behaviorists, vets and cat breeders to make sure they work with the cat's natural instincts. The line for the toilet just got longer. Features: Color coded disks for training stages with training DVD Includes: Universal Base Plate 3 Color Coded Training Discs (Red, Amber and Green) Instruction booklet and DVD Intended For: Kittens and Cats Color: White Seat with 3 Discs (Red, Amber and Green) Material: Plastic Dimensions: 40cm x 40cm x 7cm Care Instructions: Clean with warm soap and water. Compatible With: Fits standard toilets Caution: The product is not suitable for cats with arthritis or other mobility issues. Color: White.