These tall, cool and colorful insulated drinking tumblers features a 30-ounce capacity and are crafted from double-wall insulated stainless steel with a leak-resistant lid. They are designed to maintain the temperature of hot drinks for 2.5 hours or cold for as many as 36. Choose from a wide range of bold colors and add your company logo, name or message to customize. Includes retail-style gift box. Hand wash recommended. Not for use in microwave.