Silverstein Alta Ambipoly Alto Jazz 3+, Reed for Alto Saxophone, Strength: 3.0+, Concert grade reed with a round and warm sound, Rich harmonics at any volume, Perfect and clear altissimo, Resembles the sound produced by cane reeds, Absorbs 2-3% moisture, In order to reach a better sound, around 2 minutes of playing in is recommended, Similar to cane reeds, the reed breaks in during the first 30 minutes, Break-in is required only when using the reed for the first time. During this process, the internal structure of the reed will realign to your mouthpiece and embouchure., Manufactured using precision chemical engineering, providing a high degree of consistency across all reeds, Reed can be modified with a reed knife or sandpaper, Manufactured using environmentally friendly food-grade materials