Evans Calftone Bass Drum Head, 18" 18" drum head for resonant or batter use Calftone is a synthetic alternative that embodies the look and sound of traditional calfskin Made using a blend of unique materials to produce warm, full, and rich tones Exclusive Level 360 Technology collar design ensures proper contact between drum head and drum shell Bring out the best of a vintage kit and evoke a classic appearance and sound from modern drum