Usage Tips:[Note: The size of our mosquito net is (width x height), please check the size chart and measure your windows before ordering. It is better to leave 5 cm on each side. Effective mosquito repellent: Physical protection against mosquitoes is better than chemical. Safer, more efficient. This window mosquito net can effectively protect your family from flies, insects, bees, mosquitoes and flying insects. Premium: Made of polyester fiber, and durable. Wear-resistant, sturdy, washable and reusable. Easy to install: Convenient to install with thumbtack and tape, no tools required. Self-closing: There are multiple magnets in the middle of the mosquito net, which allows the mosquito net to close automatically without leaving a gap after you have it open. Breathable and entry-tight: This window mosquito net is gas permeable and transparent. You can enjoy the fresh air even when opening the window and don't have to worry about insects entering.