IDEAL DESIGN FOR YOUR PET- This creative door opener can help control pets' entry and exit, allowing your cats and dogs to enter and exit the room freely. Enhance the privacy and dialogue between you and your pets.SEMI-AUTOMATIC OPEN CLOSING- When pets enter or leave the bathroom or bedroom, the door can be closed and opened automatically thanks to the clever design, no longer need to get up to lock the door open or close! Suitable for installing in your bathroom, bedroom and places with doors. (*Not suitable for sliding doors)SAFE RELIABLE- The pet door stopper can prevent the door from closing and trap them in the room when you are not around. It also serves as a guard to prevent tail or finger pinching. Familiarize and exercise your pet with the door before installation.PERFECT QUALITY- Made of strong ABS material, which is wear-resistant and can be used for a long time. The durable body and internal components ensure flawless performance whether it's scratched, bumped or dropped. It is not easy to damage doors and walls.EASY TO INSTALL- No additional tools are required. Strong tape forms a strong bond with most types of interior doors, no need to punch or score during installation. Just make sure you have the right position based on your pet's size. Notes:1. Due to manual measurement, please allow 1-3 cm error. Make sure you don't mind before you bid.2.Colors may vary due to different monitors, please understand.