These Remo patented batter heads utilize single-ply Dupont clear S film and feature a crimped aluminum flesh hoop for optimal resonance. The Coated Clear Heads feature a special "target" silkscreen to offer just the right amount of dampening. DW Coated Clear heads come standard on all Collector's and Performance Series drums. Bass drums feature Remo's standard, glued-channel aluminum flesh hoop that provides maximum vibration and durability.