Get noticed when you blow into our super loud assorted color Plastic Toy Siren Whistle. These 1 3/4" plastic siren whistles are small and compact but make a super loud noise! Perfect for party favors and for purses and backpacks, too! Assorted colors include red, pink, purple, green, blue, and yellow. Siren Whistles are priced by the dozen. Please order this siren whistle toy in increments of 1 dozen.