OtterBox Elevation 20 Oz. Tumbler Twist on Lid (Silver Panther Black) OtterBox 20-ounce Elevation Tumbler keeps up with you from morning pick-me-up to daily hydration to nightcap. Stainless steel Elevation works with a collection of lids that adapt to any adventure. Plus, you can choose a hue that suits you from colors that coordinate with your gear or match your mood. Features: - 100% stainless steel for years of use and abuse - Internal copper lining maintains ideal temp - Sweat-resistant design, leaves no rings - Keeps liquid cold for hours - Fits most cup holders - Backed by OtterBox Limited Lifetime Warranty