Modern cat toilet with automatic cleaning function. - Model Name: RealScooper PRO - Automatic Function: Automatic cleaning - Internal Structure: Removable tray - Design: Modern design - Size: Compact size I've been using it for about a month. Unfortunately, I have to let it go because my cat is too big. Although larger cats can use the toilet, it is recommended to use bentonite mineral sand, so it is recommended for short-haired cats. Also, it is very convenient because the sand can be automatically replenished. The bag needs to be replaced once every two weeks. The smell is not noticeable because it has a sterilization function and ventilation. Thank you for looking.