Men's London Bobby Police Officer Whistle - English Nickel Plated Brass Go to amazon.com Related posts ww1 whistle buyer's guide FeatureMade in EnglandNickel-plated brassPerfect gift for any anglophileGreat souvenir2 1/2" long DescriptionThe official whistle of the London police, made in England of nickel-plated brass, complete with piercing tone. 2 " long