1. Can withstand multiple swings, durable, lightweight and anti-collision, will not give pets a sense of pressure 2. Reinforced anti-collision valve, when the door is closed, pets may hit the screen door, both sides of the anti-collision valve inserted to make it more secure 3. Left and right each a valve, control can be in and out, only in but can not out, not in but can out, not in and out, more flexible and convenient 4. Suspension of the inner door piece, smooth pet activities, the inner door piece is stable and more durable 5. Magnet closure, strong magnet adsorption of the inner door piece, better positioning, reset the door piece 6. Nylon mesh is resistant to high and low temperatures, blocking mosquitoes from flying in and preventing pets from scratching 7. Configuration of 8 screws and nuts, better fixed, more solid 8. 4 modes can be set 9. Material: ABS 10. Size: outer diameter of about 29cm, inner diameter of about 22cm, thickness of about 1cm 11. Weight: about 195g
