Evans clear Genera Resonant drum heads produce a full round sustain with strong upper-mids that increase projection without sacrificing sustain. They are ideal for enhancing tone when combined with a 2-ply batter head. For over 40 years Evans has been a pioneer of drum head manufacturing and design. Known for innovative designs such as EMAD EC2S and the Hydraulic series Evans drum heads are made in the USA in a state of the art manufacturing facility. Acquired in 1996 by D’Addario and Company the global leader in musical instrument accessories the Evans brand is synonymous with quality and consistency. Remember accessories ship fast and free from Sam Ash Direct