4-way lockable pet dog/cat door/door, round transparent door for screen window/glass sliding door/glass window

Durable PC Plastic - The material is made of solid PC ABS plastic cement. Weather-resistant while prioritizing comfort and ease of use. The transparent cat flap door is compatible with various glass doors and windows. 4-Way Locking - 4-way manual locking system (in, out, in/out, locked) to control your pet's entry and exit. Quiet & Convenient - The door's brush strip eliminates the noise of the door closing, and the rubber ring inside protects your cats without harming them. The silent operation won't frighten pets or disturb the owner. For installation in interior or exterior glass doors less than 1/2" thick; easy installation with detailed instructions and screws included. Our cat flap is professionally designed for cats. Glass decoration designed, transparent design to make your screen door appear integrated, ideal for screen windows, sliding glass doors, glass windows, etc.