Esee Compass Cards 2.13in X 4.25in X .13in Includes Three White Instruction Cards And Four Clear Cards Used To Overlay A Map To Determine Grid. 13" x 4.25" x .13". Includes three white instruction cards and four clear cards used to overlay a map to determine grid locations azimuths and distance. Hang packaged. Package Contents: Esee Compass Cards Esee COMPASS CARDS: Compass Cards 2.13in X 4.25in X .13in Includes Three White Instruction Cards And Four Clear Cards Used To Overlay A Map To Determine Grid Locations Azimuths Distance