Your Alto Sax needs the highest quality reed so you sound your best! You could save a few bucks and get cheap reeds but then you won’t be performing the best you can! That is why you need D’Addario Reserve Reeds. D’Addario reeds are USA made from naturally grown case found in D’Addario’s own foreign fields. D’Addario has pioneered the first practical and precise system to digitally measure and cut the incredibly complex geometrical patterns necessary to re-invent single reeds. Reserve reeds are cut to the tightest tolerances, offering the most consistent performance. These reeds give you a rich,warm tone, and a heavy spine that promotes dynamic flexibility and exceptional tone quality in all registers, they have a narrow rail slope that produces consistency of response, and a traditional tip thickness for easy articulation. These are ideal for advancing students. D’Addario doesn’t cut any corners when it comes to reeds. You will perform your best with these!