Thermos - Built to be your toughest tumbler yet. Our Stainless King™ Tumblers feature a DrinkLock™ sealing lid that's leak-proof when closed and sport a classic matte finish. These cup holder-compatible tumblers
Thermoses - Walmart.com
Amazon.com: Thermos
Thermos Stainless Steel Vacuum Flasks & Mugs for Sale - eBay