This Yale Essentials 12" Letterplate has a stylish white design and is suitable for wooden, PVCu and composite front doors to create clear access for posting mail. This 12" (30cm) door letter box features an added seal for protection from the weather as well as preventing heat loss. A unique and elegant design with minimal plastic surround. Letter flaps are made from 304 stainless steel for ultimate corrosion resistance. Flaps open to 180 degrees, eliminating any excess leverage on pivot points. Stainless steel return spring to ensure a continuous positive return action. External flap has a complete peripheral seal that also forms a full thermal and acoustic barrier. Weight: 1.45946017444 pounds.