This is a beautiful and heavy Solid Brass Porthole Hydrometer. The glass face for the is barometer is thick with a 3/16" polished bevel around the outer edge. Overall this porthole barometer measures 5½" diameter and 2½" in depth (including the dogs). This weather station makes the perfect addition to your nautical home decor. It could help turn that special area in your nautical home or office into your own beach house, coastal themed area. They also make a great nautical gifts, a beautiful piece of coastal decor, a nice piece of nautical art as well as being a great addition to your nautical decoration.