This design is unique to Aulos recorders and helps produce a soft, clear and sonorous tone as well as strengthening the instrument, making it the ideal durable and long-lasting choice for students. Get a head start in learning the essential fingering needed to master the recorder using the handy fingering chart. The lightweight bag, cleaning rod and joint grease ensures your recorder stays protected and in the best hygienic condition. Produces an excellent response with a strong, full sound throughout the register - perfect for classroom, ensemble and solo playing.