100pcs/set Rubber Whistle Cover Mouth Guard Whistle Cushioned Cover Guard

Description:100% Brand new and high quality - PVC Plastic Whistles Finger Grip Whistle Cushioned Mouth GripMade of High-impact PVC plastic environmental material, non-toxic harmless and smooth to the touch, no roughIt could protective your mouth and teeth when you whistle, reduce friction between whistle and your mouthPocket sized, great for carrying on your keys and mini enough to hook it on your pants, jacket zippers or backpack, and easy to pull out and use.Great for coaches, referees, linesmen and officials as well as for lifeguards, animal trainers, and traffic police officers.Package Includes:100pcs Whistle Finger Grip Cover