"Durable, insulated, and splash-resistant, the YETI Rambler 20-Oz. Stackable Tumbler with MagSlider Lid is a great choice for any outdoor adventure. Made of 18/8 stainless steel, this YETI tumbler shrugs off punishing treatment at camp, in your vehicle, or on your boat. Plus, it stacks with others of its kind to save space on your excursions. The double-wall vacuum insulation keeps hot drinks hot and cold drinks cold from the first sip till the last drop, and the magnet-enhanced MagSlider lid makes it super easy to open and close. A tapered design means it fits most cup holders for on-the-go convenience, and the No Sweat design prevents condensation from forming on the outside of the cup. The YETI Rambler tumbler is dishwasher safe for hassle-free cleaning. Mfrs. 5-year limited warranty. 3.5"" dia. x 6.6""H. Weight: .8 lbs. Super-tough 18/8 stainless steel construction Stackable design is a real space saver Double-wall vacuum insulation Easy-open MagSlider lid retains heat or cold No Sweat design prevents condensation Fits most cup holders Dishwasher safe"