6Pcs Trumpet Bell Cover Musical Instrument Bell Cover 5 Inch Bell Cover for Trumpet, Alto Saxophone, Bass ClarinetThe instrument bell cover is made of flexible material, which can be easily opened and closed the instrument bell without snags. Instrument bell cover ideal for a bell size of about 5 inches, fits trumpet, alto saxophone, bass clarinet, tutka. Breathable design with little to no back pressure or acoustic loss during operation. They do not distort the sound or pitch. The package includes 6 bell covers, using the bell instrument covers to keep students and staff safe. The bell cover is designed with elastic bands, it can be easy and easy off the instrument bells without pull tabs.Easy to install, does not hurt the instrument, can be dustproof, can suck saliva when placed, protect the luggage bell covers are designed to meet and exceed the recommendations set by the aerosol testing of the performing arts. Doorbell covers are available in different sizes. Instrument bell cover with flexible stretches around the bell. Easy to turn on and easy to turn off instrument bells without snags. Breathable fabric, without measurable impact on sound. It can be dustproof, it can suck saliva when placed for better protection. Color: BlackMaterial: Polyester CottonSize: Inner Ring: 6.5cm; Outer Profile: 9.5cm Package Contents: 6 x Instrument Bell Cover T