Cheer in style with this unique Klaxon 23 oz Stainless Steel/Polypropylene Tumbler with Built-In Horn, featuring a stainless steel outer and durable black polypropylene inner lining. A built-in noise-making horn lets you support your favorite team or sound an alarm. Color matched rubber press on lid has slits to insert plastic straw. Clear plastic straw has color matched cap, for a fun accent, that protects straw from dirt and helps prevent spills. BPA-free and FDA-certified, its perfect for game days and everyday hydration. Hand wash only to keep it looking and performing its best