Great for hiking and camping. Compasses have a clear base with a magnifying glass to see fine print and detail (start fires) and a measuring scale in inches, millimeters & miles. Liquid filled for accuracy with jewel needle and rotating ring. Easy to read liquid-filled compass with rotating bezel and adjustable marching line. Holes for drawing map symbols and route. Lightweight and accurate compass comes with a break away neck lanyard attached. Detailed instructions included with each compass.