Prevents your cats and other small animals from falling and escaping. It can also keep insects out when the window is open. Fresh air: transparent mesh with small holes, 100% polyester. Allows you to leave the windows open to enjoy fresh air. Easy to install. The net can be easily cut to the desired size with a cutting tool, suitable for most bedroom windows and skylights. This mosquito net window has an elegant appearance and is made of tightly woven polyester fiber. The tear-resistant and stable material guarantees a long service life. Easy to install - Fly screen in the window without drilling, quick and easy to install with strong Velcro (included), which is easily attached to the window or removed. Size: 120x150 cm. A cat protection/mosquito net is an excellent way to keep your cats safe and ventilate your home. Perfect for indoor cats and for allowing upstairs windows to be opened to prevent cats from falling out. Features: The window grille is easy to install, removable and washable. Window protection for cats and against spiders, moths, mosquitoes, flies, wasps, etc. coming from outside. Can be easily cut and mounted on multiple windows. The product comes with self-adhesive tape on the back. Even when it's dark and the lights are on, which can make the room feel ventilated. Tear-resistant and stable. Safety instructions: This product is intended to protect cats and should not be used to protect other animals or children. Contents: 1 window protection net.