STANDARD TOM PACK (12", 13", 16") DRUM HEADS WITH A THIN LAYER OF OIL BETWEEN TWO PLIES OF FILM TO SUPPRESS UNWANTED OVERTONES. TWO PLIES OFFER CONSISTENCY AND DURABILITY FOR LONGER PLAYING TIME. TWO PLIES OFFER CONSISTENCY AND DURABILITY FOR LONGER PLAYING TIME. A FAT, DEEP AND SHORT SOUND PIONEERED BY EARLY 70'S ROCK AND ROLL. ALSO AVAILABLE IN BLUE AND BLACK VERSIONS. ALL EVANS DRUM HEADS ARE DESIGNED, ENGINEERED AND MANUFACTURED IN THE USA.