THYME COLLECTION EXCLUSIVE TO AMAZON: Discover our new Thyme collection, only on Amazon. The Flip Straw 2.0 lid is designed for quick hydration. Just flip up to sip and snap it shut for a leak resistant seal. Perfect for your bag, commute, or workout. COLD FOR 20 HOURS, ICED FOR DAYS: Stay refreshed wherever you go! Double-wall vacuum insulation keeps your drink cold for 20 hours or iced for up to 3 days, so you can hydrate longer without refills. UPGRADED FOR ON-THE-GO: This tumbler is built for life in motion with an easy-carry handle and cupholder-compatible base. Whether you're running errands or heading to the gym, hydration is always within reach. DURABLE, SUSTAINABLE & EASY TO CLEAN: Made with 18/8 recycled stainless steel, this BPA-free tumbler is tough enough for everyday use and dishwasher safe for effortless cleaning. LIFETIME WARRANTY: Since 1913 we’ve promised to provide rugged, capable gear for food and drink - accessories built to last a lifetime. It’s a promise we still keep. Stanley products purchased from Stanley Resellers come with a lifetime warranty. Rest easy knowing we’ve got your back through it all.