Versatile design for pet access: adjustable mechanism adapts to seven door crack widths and supports cats of different sizes, ensuring smooth operation and dependable use in homes with pets of all shapes Petfriendly stability: stable blocking structure prevents accidental falling or shifting while effectively dispersing external shocks, providing peace of mind for households with frequent door access Effortless installation: fits most door types and requires no drilling, enabling a userfriendly setup that delivers seamless pet access in any home Longlasting durability: made from quality PP material that is pressure and wearresistant, resisting deformation or breakage under daily use; robust construction supports active pets moving between spaces Use scenarios Scenario 1: A household with cats of varying sizes moving between rooms such as kitchen, living room, and bedroom, without modifying door hardware Scenario 2: traffic homes where doors are opened and closed often by both pets and people, with reliable latch stability during operation Scenario 3: Rental or apartment settings where drilling is not allowed; easily installs on most doors to create pet access without permanent modifications