Introducing the must-have Tumbler XL. More sips. More style. With Therma-S’well® Technology the 1.1 litre Tumbler XL keeps drinks cold for fifty hours, hot for ten hours and ice cold for up to four days. Made from 91% recycled food grade 18/8 stainless steel, with a condensation-free exterior that won't sweat in hands or on tabletops and a leak proof lid. 100% lead free so it’s safer for you and the planet. That’s the S’well difference.