Aquarian PFPD26B Performance II 2–Ply Coated with Power Dot – Size – 26"A clear, two 7 mil ply head manufactured with Aquarians Vacuum Process that features our patented Power Dot on top for added durability which eliminates air bubbles and wrinkles between the two plies. Remember that big, fat, low tom tom sound you heard on the classic rock and roll records? The sound that you could never get on your own? Now you can! Performance II drumheads were designed for loose tuning to get the depth and punch with no over ring.