This 30 oz. Stainless Steel Tumbler is perfect for whatever your day may bring. With its double walled and vacuum insulated design, it features an ergonomic tapered shape, a slider lid with room for a straw, and a silicone grip. Enjoy hours of cold drinks with this high-quality stainless steel tumbler that won't alter the taste of your beverage. Holds up to 30 oz. Its ergonomic tapered design makes it easy to hold, and its double-wall construction keeps your drink hot or cold for hours. Please hand wash only for best care.