S'well Tumbler With Straw 24oz in Fuchsia. S'well Tumbler With Straw 24oz in Fuchsia. The 24oz Tumbler with Straw keeps drinks cold for 18 hours and hot for 5. Features Therma-S'well® Technology with triple-layered, vacuum-insulated construction designed to keep beverages colder or hotter, longer than all the rest. Made from 18/8, food-grade stainless steel to reduce the need for single-use cups.. Imported. Top-rack dishwasher safe. Although dishwasher safe, S'well recommends hand washing with warm soapy water and air drying with the lid removed to extend the life of your product, as use of a dishwasher may cause the finish to fade.. 24 oz. BPA/BPS-free and reusable.. Offers a condensation-free exterior that won't sweat in your hand or on your table.. SWER-WH26. 5300088. At S'well, they're a design company for good, best known for creating the first, reusable fashion hydration accessory. Founded by Sarah Kauss in 2010 to help rid the world of single-use plastic bottles, they believe something as simple as buying a beautiful reusable bottle or bowl can make a big difference. Whether it's their original, iconic 17-ounce bottle or their latest innovations in food, barware and accessories, everything they make is designed to perform and offer more ways to help you use less.