YETI Rambler Stainless Steel Tumbler 20 Oz with Exclusive Extra Replacement Lid and YETI Sticker (20 Ounce) This exclusive package comes with the original BPA-free, crystal-clear lid, an extra official YETI lid, and an official YETI sticker. YETI's 18/8 stainless steel is durable, rustproof, and leaves no metallic taste. Double-walled stainless steel is completely sweat-free and keeps ice cold or hot beverages hot over two times longer than other tumblers. Lids are splash resistant, easy to clean, and completely clear so that you can assess your refill needs at a glance. Comes with a five-year warranty against defects in materials or workmanship.