The Ambassador Coated is the most popular drumhead in the world, featuring the perfect combination of warm, open tones with bright attack and controlled sustain. Constructed with 1-ply 10-mil Coated film, Ambassador Coated drumheads are the industry standard for all applications. Available in sizes 6" - 40". • Length (In): 10.5 • Width (In): 10.5 • Height (In): 0.75