Effective anti-insect: This window screen is composed of very small holes, which can effectively prevent fruit flies, mosquitoes, midge, bees, spiders, and other winged insects. You can no longer be disturbed by these small pests at home. High-quality: The material of this window guard for pets is high-density glass fiber insect-proof fabric, vinyl coating, tear resistance, UV resistance, mildew resistance, and rapid flame retardancy. Rugged and durable, this mosquito netting can prevent pets from jumping out. Practical DIY material: Adjustable 120cm x 200cm size, suitable for a variety of house door and window sizes. The DIY hard mesh material cuts better than the soft nylon material. You can glue on the doors and windows, and can also be used with Velcro, and even double-layered to prevent smaller bugs. Widely applicable: This fly netting is light, ventilated, inconspicuous. The strong mesh netting is suitable for the replacement of various door and window screens and can be used for aluminum alloy window frames, iron grilles, sliding windows, casement windows, shutters, and even gates and balconies. Package Included: Folded mosquito guard net + a window cleaning brush. The cleaning brush can be used to clean the window frame before applying the product. In addition, please don't worry about creases and smells, they will disappear after a short period of time, and the smell will not harm your health.