Remo Emperor X coated batter drum heads are arguably the  most durable Mylar heads in the world, made with two free-floating plies of 10-mil Mylar with a 5-mil reverse black dot. Their consistent, focused, warm tones make them a favorite among many of today's hardest-hitting drummers. Remo Emperor X coated batter drum heads naturally filter out ringing overtones, making them easy to tune on virtually any drum.