The R-Series Skyndeep Clear Tone drumheads are manufactured with Remo’s advanced drumhead film technologies featuring Skyndeep Clear Tone, graphic image which is the graphic infusion of pigment into a polyester surface. You’ll discover a fresh new sound using Remo’s Skyndeep Clear Tone drumhead for clarity and volume. R-Series drumheads are manufactured using a wide, open channel hoop adding increased durability.