The Aquarian Response 2™is a two ply head manufactured with Aquarian’s multi-ply vacuum molding process™ that eliminates air bubbles and wrinkles between the two 7 mil plies.The Response 2™series is our most versatile two ply head and delivers a full sound with great attack and consistent tone from drum to drum.This model is coated with Aquarian’s exclusive Z100 Texture Coating for added warmth.They can be tensioned tight or loose and have an clean, open sound with good attack. This series works great in all musical situations and are designed for drummers who play it all. Features Two 7 mil plies Added attack with Aquarian’s patented Power Dot Available in Aquarian’s Black or White Z100 Texture Coating Specs Sound Well balanced, Moderate sustain, Smooth attack Ply 2 ply Thickness 7 mil top, 7 mil bottom Coated/Clear Coated Black Diameter 6″