ESEE's Pocket Navigation Cards are a simple navigation aid designed for use with map and compass.  This compact set includes transparent map overlay cards, land nav reference info, and Finnish-made Modestone waterproof paper for notes and calculations. 

Features:

• Measures just 2.13 in. x 4.25 in. x 0.32 in. thick for easy pocket carry.
• Includes four transparent map overlay cards to determine grid locations, azimuths and distance.
• Also includes three plastic instruction cards with land nav information and guidance.
• The navigation reference and overlay cards are attached to a Modestone micro notebook, providing waterproof paper for notes and calculation work.