Premium Material Bring Clear Sound: Strength 3.5, box of 10. SUEWIO clarinet reeds are made of grown-up high quality reed, grown in sufficient sunlight and harvested by hand. Maintaining a richness of tone and clarity of the sound. | Good Protection and Strictly Quality Control: The reeds for clarinet are sealed in a plastic case to ensure the freshness. No more warped, cracked or moldy reeds. And before shipment, we have done manual selection of defective products, non-conforming products to ensure each reeds can achieve the most ideal state. | Wide Application with Perfect Performance: From beginners to professionals, from students to teachers, from classical music to jazz, SUEWIO Bb clarinet reeds are ideal for a wide array of playing situations. It helps to show a nice timbre and bring a good playing effect, suitable for daily practices, stage or concert etc. | Advanced Craft and Easy to Play: Our traditional clarinet reeds feature a thinner vamp and unfiled cut design makes it easier to play. And with advanced production equipment and craft to ensure an accurate cut and smooth finish. SUEWIO each reed has stable vibration, small resistance and bright sound. You can freely enjoy the music by SUEWIO reeds. | Top Customer Service & Maintenance Guide: SUEWIO strives to provide high quality products and top customer service for each customer. If you have any questions, please contact us and we are ready for help! After each use, it's suggested to be gently washed with the water and absorbed the rest water with paper, put it in the ventilation and store it the case.