YETI Rambler 25 oz Tumbler Straw Mug The Yeti Rambler 25oz tumbler has combined the fan favorite straw lid with a travel friendly mug for the ultimate on the go travel companion. Even on the hottest of days, this travel mugs double wall vacuum insulation will keep your drink icy cold. Easy to maintain, this Yeti rambler is made of kitchen grade stainless steel making it puncture and rust resistance. The tumblers handle is higher up making it perfect for off road cruising and fits perfectly in yo