Whether you need a morning pick-me-up, daily hydration or a nightcap, the OtterBox 20-ounce Elevation Tumbler is there for you. With a variety of lids to choose from, Elevation is ready for any trip. Aside from that, you may select a colour that matches you from a palette of hues that complement your outfits or your mood. For years of use and damage, 100% food-grade stainless steel. Internal copper lining maintains optimal temperature. Design that is sweat-resistant and leaves no ring. Liquid is kept at a constant temperature for several hours.