Vandoren VK1 Synthetic Bb Clarinet ReedVK1 THE VANDOREN SYNTHETIC REED The new VK synthetic reed is made of a composite material specially developed by Vandoren. It is the result of 7 years of research. This composite fiber material does not imitate the structure of cane it reproduces its essential physical characteristics to obtain the same acoustic behavior. Vandoren VK reeds are fully recyclable VK reeds are made in France in Bormes les Mimosas Same acoustic behavior as natural reeds