PATENTED UV-CURED COATING PROVIDES UNMATCHED DURABILITY AND CONSISTENCY. MADE FROM A SINGLE PLY OF UNIQUE 10MIL FILM. MADE FROM A SINGLE PLY OF UNIQUE 10MIL FILM. A SINGLE PLY OFFERS AN OPEN AND EXPRESSIVE SOUND. EXTREMELY VERSATILE FOR A WIDE VARIETY OF MUSICAL APPLICATIONS. LEVEL 360 TECHNOLOGY COLLAR DESIGN ENSURES PROPER CONTACT BETWEEN DRUM HEAD AND DRUM SHELL.