- Improved cat gate balcony door: The gate is constructed from durable vinyl-coated steel wire, thickened with nanotechnology. It is more scratch-resistant, softer, and more durable than normal fiberglass materials, helping prevent torn screens from a curious cat. - Upgraded pet safety with double zipper design: The cat proof screen door features a double zipper inside and outside, effectively preventing your cat or dog from leaving the room. This design lets your pets enjoy fresh air indoors while keeping pests outside. - Customizable screen door size: Unlike magnetic screen doors, this zipper door keeps pets outside and indoors better, while effectively keeping the air out. A variety of sizes are available to find the perfect fit for your door, providing a custom solution for your home. - Easy installation and removal: Tool-free setup. Peel off the adhesive from the hook rail, attach it to the door frame, then stick the insect screen to the frame. Clear instructions are included, though English language availability is not guaranteed. - Use scenarios: - Let your cat enjoy outdoor views and fresh air on a balcony without the risk of escaping. - Use in homes with curious dogs to maintain containment while maintaining ventilation. - Ideal for rentals or spaces requiring temporary, removable barriers that protect screens from scratches.