Rico Reserve Classic Bass Clarinet Reeds, size 3+, Box of 5 Introducing the most consistent bass clarinet reeds ever! Reserve Classic Bass Clarinet reeds are cut exclusively from lower-internode cane; the most dense and consistent cane available. They offer a huge, vibrant sound with incredible projection, crisp articulation and greater flexibility. Rico offers the only Bass Clarinet reed available in special 3.0+ strength.