Make of Acrylic and Zincs Alloy, it is light weight and Enduring. Due to its compactsize and mountable designs, it can easily carried on keychains or fixed to item such as backpacks and tool bag. Equipped with accurate compasses, providing directionally guidance to help users determine direction in outdoor and effectively avoid lost . With a thermometers function, it helps to monitor temperature changes outdoors. Package includes: 1pc compasses Carabiner