"Built for toughness and temperature regulation, the YETI Rambler 30-Oz. Tumbler with Magslider Lid is ready to keep your beverage at the right temperature on all your adventures. This insulated tumbler keeps cold drinks frosty and hot drinks steamy for full enjoyment. Made of durable, kitchen-grade 18/8 stainless steel with double-wall vacuum insulation, this tumbler delivers proven performance in a rugged, adventure-ready design. The YETI Rambler tumbler fits standard cupholders and keeps ice twice as long as plastic tumblers, plus it works just as well with hot beverages as it does with cold. BPA-free construction. Clear Magslider lid lets you see how full the tumbler is at a glance while magnetically opening and closing with ease. Dishwasher safe for hassle-free cleaning. 4""dia. x 7.89""H. Weight: 1.1 lbs. Rugged, insulated handheld tumbler Durable 18/8 stainless steel construction High-quality, double-wall vacuum insulation Keeps ice 2 times longer than plastic tumblers Maintains the temperature of your drink, whether hot or cold Easy-opening and -closing Magslider lid Dishwasher safe means easy cleanup BPA-free"