Replacement head for 9 inch Remo Crystal and Soloist doumbeks. Remo’s SKYNDEEP™ Clear Tone drumhead boasting a smooth drumhead feel with pure tek and doum sounds. Remo WEATHERKING™ world percussion drum heads rely on the same open channel system that has established the drumset heads as the benchmark since 1957. Skyndeep™ is the graphic infusion of pigment into a polyester surface making it uniquely attractive while maintaining the integrity of a great sound drumhead.