Buonvento Bb Clarinet reeds are available in 2.5 and 3.0 strengths. This listing is for Strength 2.5. There are 10 reeds per box. The reeds are French Filed for ease of use and clarity of sound. Buonvento reeds are precision cut, hand-selected and classified by experienced craftsmen. Old-growth Arundo Donax cane is seasoned (dried) for at least two years. Individual reed wraps and holders maintain perfect shape and humidity level. Buonvento reeds contribute to your exceptional tonal clarity in all registers.