Rambler Tumbler, 10 Ounce Hottest product of 2015, YETI will not ship until early 2016 due to heavy sales demand;10 ounces;Made from kitchen-grade 18/8 stainless steel;Keeps your drink as cold as science allows;Includes lid Yeti Coolers Yeti Coolers Rambler Tumbler, 10 Ounce - YRAM10 YRAM10 Beverage Accessories