Raise a ruckus in the stands at the big game or attract attention in an emergency with these whistles with a split ring keychain. Made of aluminum alloy material, these 1.85″ x 0.35″ whistles have a small and stylish design that can deliver a shrill blast, and a split ring to connect to your keys or favorite chain. Available in assorted whistle colors with silver split ring — add your organizational or company log or message to customize. Orders of 30,000 pieces or greater are eligible for sea shipping.