From the hottest coffee to the coldest beer, this Yeti 30 Oz. Rambler Tumbler is your new trusty go-to cup. Rambler Tumblers are designed with vacuum-sealed double-walls to prevent heat loss as well as maintain ice for over twice as long as plastic tumblers. Made with 18/8 stainless steel, this mug is BPA free, durable, and won’t rust; but most importantly, it won’t taint your favorite beer with that abominable metallic taste. Yeti makes the cooler of choice for outdoor enthusiasts, pros, tailgaters and backyard barbeque kings alike, so why wouldn’t you trust their Rambler Tumbler with your precious beer?