The Pinstripe Clear heads are characterised by a medium tone range with low frequencies and increased durability. The Pinstripe Clear heads consist of 2 plies of 7-mil clear film and feature an overtone-reducing agent applied between the 2 plies to provide overtone control with increased attack. The Pinstripe series is one of the world's most popular drumheads.size: 13". Thickness: double-ply, smooth. Type: drumhead, transparent. Finish: smooth/transparent. Sound: little sustain, very bass-heavy, round and balanced sound.