Effective protection: This window screen is equipped with double-layered Velcro, which increases grip and prevents the screen from slipping. Even after frequent use, the screen retains its shape. It provides a cool breeze for a peaceful night without fear of unwanted guests. Quick installation: Our window screen is very easy to install! Just use the included Velcro straps to attach the screen to the window. When not in use, the reusable window screen can be quickly removed and stored to save space. High quality: The window screen is made of high-density fiberglass mesh, semi-transparent, UV-resistant, tear-resistant, and durable. Its simple and elegant design, with excellent visibility, makes it an ideal choice for protecting your windows from insects during the summer. Quality service: The screen is breathable and semi-transparent, allowing you to enjoy the outdoor scenery while being protected from insects. Dimensions may vary between 1-3 cm. This is normal and facilitates flexible installation. If you have any predetermined instructions, our customer service will be happy to assist you.