Features: Clean, consistent aesthetic and ventilation: Sleek white aluminum framing with clear glass creates a uniform, modern look that brightens basements and supports ventilation when opened Lighting and energy performance: Maximize natural light with clear glass panels set in an insulated aluminum sash finished in white. The compact 15.75 x 7.87 inches/ 40 x 20 cm profile reduces drafts and heat loss, and the package includes 2 Basement windows so you can upgrade two openings at once. Specifications: Material: aluminum, glass Color: white, clear Size: 15.75 x 7.87 inches/ 40 x 20 cm Package includes: 1 x Basement windows Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays