Stay hydrated while showing your support for the Chiefs with the Boelter Kansas City Chiefs 15 oz Ultra Hype Mug. This 15-ounce mug is constructed of durable kitchen-grade stainless steel for durability and is double-walled for temperature retention to keep drinks hot for up to 12 hours and cold for up to 24 hours. The digitally printed, full-wrap Chiefs team design shows your team spirit.