DZT1968&reg; Portable Alloy Silver Color Nautical Compass Helm Keychain Ring Chain Gift Color:As the picture shown Material: Zinc alloy and acrylic Size:Ring diameter: 3cm,Pendant Length:6cm,Helm:4.5x0.7cm (D x T) Compass will work accurately if you lay it flat on flat ground,Sealed compass with helm shape Package Include:1XCompass Keychain