Description: 【Versatile Practice Tool】: This Embouchure Training Device for Trumpet is designed for a variety of instruments including trumpet, trombone, saxophone, and flute, making it an essential accessory for musicians looking to improve their embouchure 【Metal Construction】: Crafted from quality metal, this Mouthpiece Mouth Strength Trainer ensures long term durability and reliable performance during your practice 【Convenient to Carry】: With dimensions of 6.5cmx1.7cm/2.56inchx0.67inch, this Personal Embouchure Trainer is compact and portable, allowing you to easily carry it in your instrument case or pocket for convenient practice anywhere 【Enhance Your Skills】: Suitable for both beginners and experienced player, this Wind Instrument Accessory helps strengthen your mouth muscles and improve breath control for better sound quality and playing skill 【Musical Instrument Accessory】 : Get a stronger sound quality through a relaxed blowing method. The Mouth Muscles Builder is a good musical instrument accessory Size Chart: 6.5cmx1.7cm/2.56inchx0.67inch Package Includes: 1 Embouchure Training Device for Trumpet  Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.