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 your windows open to enjoy fresh air. Easy to install. The mesh can be easily cut to the desired size with a cutting tool, fits most bedroom windows and roof windows. Elegant appearance, this window screen is made of tightly woven polyester fiber. The tear-resistant and stable material guarantees a long service life. Easy to install - Window screen without drilling, quick and easy to install with a strong Velcro (included), which is simply applied to the window or removed. Size: 120x150cm Cat guards/mosquito nets are an excellent way to keep your cats safe and ventilated inside. Ideal for indoor cats and to allow upstairs windows to be opened and prevent cats from falling out.Features:The window net is easy to install, removable and washable.Window protection for cats and against spiders, moths, mosquitoes, flies, wasps, etc. from outside.Can be easily cut to size and mounted on multiple windows.Product comes with adhesive tape on the back.Even when it is dark and the lights are on, which can make the room ventilated.Tear-resistant and stable.Safety instructions:This product is intended to protect cats and should not be used to protect any other animal or child.Contents:1 x window safety net.2 x Velcro strips.