Features: Many places: The aluminum step flashing is both practical and decorative, proper for roofing, garden, patio and some other aluminum plates, which could help you to improve life quality. Waterproof function: The aluminum flashing silver can provide a waterproof barrier between different materials or components of a building. It is also applied to keep vulnerable areas from corrosion, weathering, and other forms of harm. Specifications: Material: aluminum Color: silver Size: about 5 x 7 inches/ 12.7 x 17.7 cm Package includes: 80 x Aluminum flashing sheet Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.