The Coach whistle is 3 Mm Thick Injection Molded; Shatter-proof Polycarbonate Blocks UV Harmful Blue Light
treated On Both Sides With Anti-scratch And Anti-fog Coating Fits Most Helmets This Clear
View Lens Is Injection Molded; Shatter-proof Polycarbonate. It's 3 Mm Thick And The View
Is Distortion Free. The Lense Is Treated On Both Sides With Anti-scratch And Anti-fog Coatings.
Wrapped Lens Design Eliminates Blind Spots And Glare The Lens Also Blocks UV Harmful.Small order usually ships within 1 week.
Our company is one of the leading coach whistle manufacturers and suppliers in China for our quality products. Please feel free to wholesale bulk coach whistle here from our factory. Customers are welcomed to raise any question, pls feel free to contact us, we will reply within 24 hours.