Double-Slider Utility Window is a sturdy utility-style double sliding window that helps you complete a home improvement or construction project. It features glass that s insulated to keep out the cold and the elements and its frame is made of solid sturdy vinyl and sash materials. This utility window has a re-punched nailing fin that makes it easy to install. Its frame is fully weeped so that it s easy to remove water that has accumulated. It comes with one full screen so that you can enjoy fresh air while also keeping out insects and other pests that might enter through the opening.