S'well 6pc Canister Set in Black. Made from 18/8, food grade, stainless steel with a leak-free, silicone lid. Imported. Top-rack dishwasher safe. Comes in a nested set of three sizes (10oz, 16oz and 24oz). Refrigerator and freezer friendly. BPA/BPS free. SWER-WH12. 5298951. 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.