Vandoren Bass Clarinet Reeds V12 (Silver Box) - 10 Reeds, Strength 3.5 Made of wood, offering high-quality tone. - Model: V12 3.5 - Quantity: 10 reeds - Type: Bass Clarinet Reed Thank you for viewing. These are Vandoren bass clarinet reeds. They are the silver box type. I have only played them once to test them, and they have been disinfected. Please understand that these are not new, and there can be variations in reeds. Please purchase only if you understand this. They will be sent without the box.