Features: Meticulous work: The replacement window screen is tear resistant, durable, smooth, and easy to slide and adjust. Fiberglass is strong and flame retardant, providing nice security. Suitable for various scenarios: The gray and white color scheme and quality material of this slide window screen make it suitable for windows in various spaces such as bedrooms, living rooms, kitchens, balconies, and offices. Effectively protect you from mosquitoes. Basic information: Quantity: 3 Material: aluminum alloy, glass fiber Color: as shown in the picture Dimensions: Height: 21.7 inch Adjustable width: 28- 52 inch The package includes: 3 x Expandable window screens Note: Size may vary slightly due to manual measurement. Due to the screen display, the color of the item may be slightly different from the picture.