20 ounce Stainless Steel Tumbler - Mint Green 20oz Stainless Steel Tumbler Our Tumblers are stainless steel, double wall insulated and come in 20oz size. Keeps your drinks ice cold longer - works great for hot beverages also. The included all-new shaded Splash Proof lid lets you know exactly how much drink you have. The flip-top closure resists spills and it is straw friendly. Easy to clean. TECHNOLOGY & FEATURES: Double Wall Vacuum Insulation - Maximum temperature retention & insulates hands from the cold No Sweat Exterior - The outside stays dry. No need for a coaster. 18/8 Stainless Steel - Strong stainless steel construction Keeps Ice Longer - Holds ice for up to 24 hours Keeps it Hot - Works great for hot beverages Air Tight Seal - Heavy duty lid seal locks in the cold Easy Grip Base - Taller base ensures a better grip Included Splash Proof Lid - Flip-top lid makes the RTIC tumbler splash proof Narrow & Tall Design - Fits more cup holdrs