Features: *100% brand new and high quality. *Clarinet reeds 1.5,2.0,2.5,3.0,3.5,4.0 have a growth period of more than two and a half years. It is not easy to be deformed. *Every piece has the consistent size，Can create more stable sound. *Harvested by hand, made by digital reed-making technology that promotes excellent response in all registers. *The reeds are naturally air-dried for more than two years. *You can prepare a few reeds for change, which can effectively extend the life of the alto Clarinet. Description: Strength: 1.5,2.0,2.5,3.0,3.5,4.0 (Optional) Material: Reed Weight:30g Package include: 10 x Reeds Note: In order to distinguish the Strength,the appearance is different. Clarinet reeds 1.5,2.0,2.5,3.0,3.5,4.0 have a growth period of more than two and a half years. It is not easy to be deformed. Every piece has the consistent size，Can create more stable sound. Harvested by hand, made by digital reed-making technology that promotes excellent response in all registers. The reeds are naturally air-dried for more than two years. You can prepare a few reeds for change, which can effectively extend the life of the alto Clarinet.