Rico by D Addario reeds are unfiled and feature a thinner profile and blank. Designed for ease of response they are ideal for students revered by educators worldwide and are a favorite among jazz musicians. D Addario s state-of-the-art machinery and reed-making process have resulted in unprecedented consistency in today s Rico reed. Ideal for students Designed for ease of play Priced affordably for educators and parents Available for full range of clarinets and saxophones Offered in 10-reed boxes