Are you looking for sports whistle mouth cover? This whistle mouth cover can meet your using needs. This product is a whistle mouth cover, made of plastic material, and . This whistle mouth protector is suitable for most shaped whistles. Portable design for easy to carry out and store. You deserve to have one. Features -Color:White -Material:PVC -Size:2.10X1.60X1.30cm/0.83X0.63X0.51in - Designed specifically for whistle, protecting teeth, this whistle mouth cover is convenient for replacement. - PVC materials, these whistle mouth covers are very and reliable. You can use these covers confidently. - These whistle mouth cover are widely used, suitable for referee whistle, sports whistle and other types of whistle. - Precise workmanship, simple design, these whistle mouth covers can match your whistle very well, a good decor. - Features the simple structure design, this whistle mouth cover is easy to disassemble and install, saving your time. Package list: 20 x whistle mouth cover