This Petsafe cat flap allows cats and dogs up to 11 kg to go in and out as they please. Made with GentleClosetechnology that allows the door to close softly and quietly, as well as Push-&-Turn4-way locking that ensures the knob stays in the preset, set position.The door can be set to four locking positions for customizable access: locked, unlocked, in only and out only. Door flap with weatherstripping and bottom magnets are translucent for cats to see through. This reduces anxiety, minimizes airflow and ensures safe closing!Facts about PetSafe Big Cat Cat flap 2.0:For cats and dogs up to 11 kg. Transparent. 4-way locking.Push-&-Turn4-way lock. GentleClosetechnology. Easy DIY installation with step-by-step instructions and template.Fits doors with a thickness of 2.5-5 cm.Installation of glass doors requires an adapter.