The Yeti Rambler Tumbler 30 oz with MagSlider Lid is a revolutionary cup perfect for the person who hates coming back to a beverage only to find its gone to room temperature. Boardering on over-engineering, the Rambler Tumbler utilizes kitchen-grade 18/8 stainless steel that's exceptionally durable, rust free, BPA free, and won't transfer a metallic taste to your beverages. Double-wall vacuum insulation keep liquids inside at the temperature you left them at. In fact, this tumbler keeps ice twice as long as regular plastic tumblers. But don't worry if you want to use the Tumbler for your cup of morning joe. It's just as effective in keeping hot beverages piping hot! With its crystal clear lid you can always tell just how much drink you have left in the Yeti Rambler without needing to pop the lid. Enjoy that frosty beverage for as long as science allows with the Yeti Rambler Tumblers. Comes with the MagSlider lid and is available in stainless and DuraCoat colors. Available at Travel Country Outfitters.