The Evans G12 series features a single ply of 12mil film, offering a single-ply feel with two-ply durability. The 20 percent thicker film also provides a deeper fundamental tone and enhanced projection versus traditional 10mil heads. This tom head provides a balance between single and two ply heads offering a deeper fundamental tone, enhanced projection, and more resilience than most single plies. All Evans drumheads feature Level 360 Technology to provide ease of tuning, extended pitch range, and optimum quality of sound. All Evans drumheads are designed, engineered, and manufactured in the USA.