The Emperor® Smooth White™ Crimplock® Bass Drumhead features Smooth White™ film with outstanding tone, articulation and projection. Combining Remo's high-tension Duralock® Crimplock® hoop with 2-plies of 7.5-mil and 5-mil Smooth White™ film, Emperor® Smooth White™ Crimplock® Bass Drumheads are ideal for all Marching Bass drum applications. Available in sizes 14" - 32".