These 22" 10 mil, single-ply heads come standard on resonant-sides of all Collector's and Performance Series drums. Clear Dupont S film and a crimped aluminum flesh hoop offer superior resonance and durability and REMO technology insures consistency. Feature REMO's standard, glued-channel aluminum flesh hoop that provides maximum vibration and durability. • MFSKU DRDHCW22KCL • UPC 647139165325