The Fiberskyn 3 Powerstroke 3 is available in two weights, 7.5 mil Diplomat and 10 mil Ambassador, made from poly spun single ply Mylar film. The Fiberskyn 3 Diplomat Powerstroke 3 features a thin underlay at the outer edge of the head to subtly dampen high frequency overtones creating subtle mid and low end for snares, tom toms and bass drums