Features: Proper size: These flush mount shed windows offer a proper size for sheds, garages, and other outdoor structures. The size is large enough to provide ample natural light while still being enough to fit in most standard sized sheds. You can confidently install these windows in your shed or garage without worrying about compatibility issues. Practical gifts: You can send these household windows to your friends, neighbors, family members and coworkers, which can show your warm heart and kindness, the person who receives these gifts will be very happy. Specifications: Material: aluminum alloy, tempered glass Main color: black Size: about 18 x 12 inches Package includes: 2 x Flush mount shed window 1 Pack of screws (50 pieces) Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Pointed items are included, please be careful when using and please keep them away from kids.