Prevents your cats and other small animals from falling and escaping. It can also keep the bugs out when the window is open. Fresh air: transparent mesh with small holes, polyester. Allows you to leave your windows open to enjoy the fresh air Easy to install. The netting can be cut to size easily with a cutting tool, fits most bedroom windows and roof windows. Stylish appearance, this mosquito net cover is made of tightly woven polyester fiber. The tear-resistant and stable material guarantees a long service life. Easy to install - Window mosquito net without drilling, quick and easy to install with a strong Velcro (included) , which is simply applied to the window or removed. Size:120x150cm Cat protectors/mosquito nets are a great way to keep your cats safe and ventilate your home. Ideal for indoor cats and for opening upstairs windows to prevent cats from falling. Features: The window net 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 to size and fitted to multiple windows. Product comes with an adhesive tape on the back. Even when it's dark and the lights are on, which can make the room airy. < /p> Tear resistant and stable. Safety instructions: This product is intended for protect cats and should not be used to protect any other animal or child.