This monocular is designed with metal construction and brass finish. The main components are of aluminum alloy plating gold while the hand-held part is covered with leather. 25 magnifications x30mm object diameter, lens are made blue coating, helps you get a high-definition . eyepiece for compact storage.So cool for outdoors! And perfect to be a or pirate collection as well! Perfect as a for to realize their captain's dream of exploring the world.