Aluminum Whistles for Sports, Hiking, Safety, Dog Training in 7 colors

Loud Aluminum survival whistles for camping, boating, hiking, sports, dog training, etc. They can be attached to your keys, bag, purse, or backpack. Seven colors including green, red, purple, silver, gold, blue,and black. They measure 2 1/2" X 1/2". Each whistle $1.00