Not too thin and not too thick, Remo's Ambassador Coated heads are made from one ply of 10-mil Mylar film that resonates with a long, bright tone. They have a moderate durability - as long as you don't wail on them, they'll treat you well for quite a while. Great for heavier jazz or light-to-medium rock! The coated surface gives the head a slightly muted, darker tone than a clear head.