SAY GOODBYE TO INSECTS: In encrypted mesh, honeycomb pattern, 1 mm mesh. Prevent those unwanted guests from entering other pests such as flies, bees, mosquitoes, scorpions, insects, etc. VELCRO DESIGN: Easy to install without any other tools. Hand-stitched Velcro, repeatedly stickable, easy to use and has good sealing performance. Easy assembly without drilling or damaging the door frame. CLOSED DESIGN: Adopts widened magnetic buckle design, does not fall off, closes without gaps, closes firmly automatically, does not produce excessive noise when closing. MATERIAL: The insect and fly screen door is woven from polyester fiber. The tear-resistant and stable material ensures a long service life. High quality hem, neatly sewn, not easy to damage, can be used for many years. SIZE: In order to better secure the mosquito net, we have improved the width of the Velcro. Please measure the size carefully following the instructions before placing your order. Please measure the inside door frame and purchase a size of at least (width + 4) x (height + 4). We recommend that you buy the larger one rather than the smaller one.