Evans G2 series features two plies of 7mil film offering maximum durability, wide-open response and undeniably fat low-end. A modern, full resonance you can tailor to taste. For over 60 years, Evans has been an innovator in drumhead manufacturing and design. As the creator of the first synthetic drumhead and other revolutionary products such as EMAD, Hydraulics, and the UV1 series, Evans drumheads are designed with the intent of solving problems for drummers. Regarded for high quality and consistency all Evans drumheads are made in the USA and feature Level 360 Technology., 22-inch drum head made using two plies of 7mil film, Two plies offer consistency and durability for longer playing time, Very versatile head for all music genres; a true working drummer's choice, All Evans drum heads are designed, engineered and manufactured in the USA