France's Naval Hydrographic and Oceanographic Service charts cover waters for many areas of the world, providing commercial and recreational mariners with important navigational information. These charts can be ordered three ways:
[-WR] Water Resistant paper is our Standard format. Measuring from 36-40" to 40-44".
[-WP] Waterproof paper: printed on a fully waterproof synthetic material for longer life, stain resistance and durability. Measuring from 36-40" to 40-44". ***if your planning on framing – please select the Waterproof paper version. The colors are much brighter. 
[-TR] Tri-fold paper: comes as a convenient 7" x 12" tri-fold. Length varies by chart number. Tri-fold is only available on water resistant [-WR] chart paper.