These are the classic alto saxophone reeds from Vandoren, commonly known as "Blue Box." They are very easy to control, and are widely used by everyone from beginners to professionals. Condition: New, unopened (The box has been opened, but all individual reed wrappers are unopened) Quantity: 9 reeds (Originally a box of 10, but one reed has been used, so there are 9 for sale) Strength: 2 1/2 (2.5) Instrument: Alto Saxophone #saxophone #altosaxophone #reeds #vandoren #Vandoren #band #jazz #windinstrument #musicaccessories #bluebox