<p>Oak Tanned leather is full grain, top quality leather that has been vegetable tanned&#046; The tanning process uses tree bark to form a tanning liquor producing excellent leather character&#046; The hides are then aniline dyed for luxurious color&#046;These Oak Tanned Collars are 3&#047;8" and 5&#047;8" wide and are expertly made and feature a single row of spikes&#046;</p><ul></ul>