Quench your brand's thirst for publicity and promotion when your make a gift or giveaway of these handsome drinking tumblers! This 20-ounce capacity drinkware is made of durable 304 stainless steel with double-walled copper insulation that maintains the temperature of both hot and cold beverages. Each tumbler has a snap-tight lid with a sliding opening for stress-free sipping! Hand wash only, and not for use in freezer or microwave. Choose a color and add your school, sports team, organizational or company logo, emblem or message to customize.