Buckram is a poly-cotton book cloth material that's very durable. It has a heavy grain to it with a washable surface. Buckram is the most common material used by professional libraries and is sometimes referred to as F-Grade or Roxite:

Imitation Leather is a cloth with different leather grains. It's slightly thinner than Buckram, but still durable and washable. The Fab's are levant grain (wrinkly looking) while the Imitations are pebble grain (small pinhead bumps):

C Cloth is a lighter weight book cloth with the look of linen. There are two finishes; Vellum which is a solid matte color and Linen where the grain slightly shows through the color in a light beige with a very slight finish (not matte, not gloss).

10pt coated papers are a great choice for limited editions and personal copies. Not recommended for heavy use or library copies, but wears well for individual bindings and comes in some beautiful colors, shades & textures. Note that the Antiques are a shaded material with black or darker shades of the color throughout, shades shown are the overall color: