Rico Reserve Classic Bb Clarinet Reeds, Strength 3.5+, 25-pack Special cane treatment process that helps reduce reed warping Strength 3.5+, Unfiled cut, box of 25 reeds Gradual tip shape adding more tonal warmth; traditional tip thickness for a quick articulation Like the Reserve line, uses only the densest, lower-internode cane for longer durability and consistency Offered in strengths 3.0-4.0, including 3.5+; also available in 10-packs in strengths 2.0 to 4.5, including a special 3.5+ and 4.0+ strength