The Powermax Ultra White Bass drumheads feature optimum tone control, attack and projection with an Ultra White finish. Constructed with 1-ply of 10-mil Ultra White film with an internal inlay ring, Powermax Ultra White Bass drumheads feature a free-floating muffling ring with a Bottom White Dot for outstanding projection and durability. The high-tension Crimplock hoop provides a wider tuning range and increased stability. Ideal for all Marching Bass drum applications.