Evans Clear Genera Resonant drumheads produce a full, round sustain with strong upper-mids that increase projection without sacrificing sustain. These 10mil single ply drumheads are ideal for enhancing tone when combined with a 2-ply batter head. Evans Level 360 Technology is incorporated for ease of tuning, extended pitch range, and optimum quality of sound. Features: Made using a single ply of 10mil film A single ply offers an open and expressive sound Ideal for enhancing tone when combined with a 2-ply batter head Exclusive Evans Level 360 Technology collar design ensures proper contact between drumhead and drum shell All Evans drumheads are designed, engineered, and manufactured in the USA Specs Sound Open and expressive sound Ply 1 ply Thickness 10mil Coated/Clear Clear Diameter 14"