Size : 18 Full Size. Top head measurements: 16″ x 12.5″ x 17 / 40cm x 32cm x 42cm. Weight : 6.5 kg Approx. Volume Weight : 15 Kg. Have a Close Look. Finish: as shown in Picture. A NICE GIFT TO PRESENT. USE AS A GREAT WORKING COLLECTIBLE. Premium quality well made 18 diving helmet replica. It is in good condition for its age Old Antique Look. A heavy, solid piece. We Used Antique Burn Process to Make it Antique Finish 100% Genuine Product. Made of High Quality Aluminum, Steel with ring. This is a Hand-Made product so slight color changes and weight changes may occur.