... middle 2.auto-close 3.prevent mosquito,fly,insect going inside Welcome to my shopmagic fly screen mesh Function:1.prevent mosquitoes ... :Anode and cathode of magnet attract each other makes it easy to sell-close quickly, open convenient, solid durability, aesthetics brilliant ... middle open, no deformation and crease –resistant.2. Elegant modeling,easy to take, no noise.3. Quick auto-closing,convenient to ...