Evans Reso 7 series features a single ply of coated 7mil film for a warm, full tonal response with a shortened sustain without the need for additional muffling. 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.