Crunchy Gear Stainless Steel Travel Tumbler (30 oz.) Vacuum Insulated Tumbler with Double Wall Insulation &ndash; No Sweat, Leak Proof Drinkware &ndash; Perfect Travel Mug & Thermos PERFECT TEMPERATURES: Crafting using double-wall vacuum insulation, Crunchy Gear drink tumblers maintain ice cold and piping hot temperatures more efficiently and for nearly twice as long as similar styles. COMPLETE FEATURES: Crunchy Gear Tumblers also come with two airtight, leak proof lids (one standard and one sliding), and a stainless steel straw to maintain fresher, cleaner sips! IDEAL VERSATILITY: Take our steel tumbler to work, use it at home, or even take it camping; with enhanced durability and strength that rivals the Yeti Rambler Tumbler, Crunchy Gear will change how you view quality. PREMIUM STAINLESS STEEL: Crunchy Gear offers the best tumbler not only because of its affordable price and superior temperature retention, but because its durable, eco-friendly, BPA free and stain resistant stainless steel design. GUARANTEED QUALITY: Customer satisfaction is extremely important, which is why every order is backed by a 30-day money back guarantee for satisfaction. If you arent happy, send it back to us and well make it right.