30oz Double Walled Vacuum Insulated Stainless Steel Travel Tumbler Mug - Keeps Drinks Smoothies Shakes Beer Soups Coffee Hot or Cold - Reuseable and Unbreakable (1, 8x4x4) DOUBLE WALLED VACUUM INSULATED stainless steel tumbler KEEPS ICE JUICE BEER SHAKES SMOOTHIES water cold for 12 hours or coffee tea soup hot for 12 hours SWEAT PROOF DESIGN made from 18/8 grade stainless steel with 30oz capacity and fits car and truck cup holders 8 INCH HEIGHT and 4" Wide at the top with 30oz capacity makes is easy to clean by hand or in the dish washer FDA APPROVED AND ECOFRIENDLY unbreakable reuseable cup. We use the highest quality material approved by FDA. No chemicals or harmful materials.