We Prepare these with Fully Craftsmanship. We use manually Dying and Antique process to burn and other Techniques. These are Reproduction Antique finish Copper & Brass metal used. Features. Premium quality well made deep sea divers helmet replica. Metal : Solid Steel Iron,brass Finish: As shown as picture Approx Size: 16" x 12.5" x 17" / 40 x 32 x 42cm. Weight: 7.5 Kg (approx). Volume Weight: 16Kg. Model: Boston Mark V -Usage : Home Decorative,Desktop Decorative.Table Decorative Collectable Items (Used Manually Dyeing Antique Process Colour May Be Differ A Little Bit Due To Manually)