ICEFIELDS 30 oz Double Wall Vacuum Insulated Stainless Steel Tumbler Thermos - Travel Mug With Clear Sliding Lid EXTREME VACUUM INSULATION: The ICEFIELDS stainless steel tumbler maintains your drinks at their original temperature, for as long as nature and science allows! That means you get to enjoy wonderful sips of your drinks, which will always be just as hot or cold, as the moment you poured them inside your tumbler. LARGE, 30 OZ CAPACITY: Fitting most cup holders, our tumbler is your best choice for staying hydrated every day. Thanks to its 30 oz capacity, there is no need for excessive refills, allowing you to perfectly carry as much of your favorite coffee or tea blends, fruit infusions, smoothies and water as you need while on the go or traveling! LEAK PROOF & SWEAT PROOF: Designed for your ultimate convenience, our tumbler can be effortlessly stored in your purse or bag. Contrary to most popular thermoses on the market, the ICEFIELDS tumbler's smooth, stainless steel exterior remains free of sweat, so you can rest assured not a single drop of your prized drinks will go to waste, spilling over or ruining your daily necessities. SLIDING CLOSURE LID: No need for stopping, mid-walking or working out to drink. Each ICEFIELDS tumbler comes with its custom, sliding closure lid, which perfectly seals this tumbler's mouth and minimizes splashes and spills, keeping your drinks contained in its interior - and your clothing safe from unsightly stains! EASY TO CLEAN, NO-MESS REFILLS: Our tumbler has a wide, functional mouth, which makes filling it a breeze! What's more, its flawlessly designed interior features rounded corners, for easy cleaning, either through hand washing or by adding it to your next dishwasher load. Don't Waste Another Minute & Get The Best Stainless Steel Thermos Coffee Cup On The Market - The ICEFIELDS Tumbler!