Rambler Tumbler 20 ounces;Made from kitchen-grade 18/8 stainless steel;Keeps your drink as cold as science allows;Includes lid;Hottest product of 2015, YETI will not ship until early 2016 due to heavy sales demand Yeti Coolers Yeti Coolers Rambler Tumbler - YRAM20 YRAM20 Beverage Accessories