Elastic Closure & Cord Lock Keeps Mask Secured to Bell Opening
Breathable Design with Little to No Back Pressure or Acoustic Loss During Performance
Wind Instrument Double-Layer Cover for Bell Sizes Ranging from 4 to 5-Inches. Measure Your Bell Size To Ensure Proper Fit
Covers Bell Opening of Instrument to Greatly Reduce the Spread of Aerosols and is Made to Meet Performing Arts Aerosol Study Recommendations