Tumbler 30 oz tumbler with leak splash proof lid, Double wall Vacuum Insulated Stainless Steel Tumbler by Uben EXCEPTIONAL QUALITY - Kitchen-Grade Stainless Steel means this tumbler is built to last. Durable steel body that is stain and rust resistant, individually handcrafted with precision using an extremely high quality metal. The cap is unbreakable - Double Rubber Gasket Heavy Duty Lids. MAXIMUM TEMPERATURE RETENTION - Double Walled Vacuum Insulation together with exclusive splash proof lid for maximum temperature retention and elimination of any condensation. ben tumblers retain comfortable temperature for you to hold yet your drink inside will be either ice cold or piping hot! SPLASH PROOF LID UPGRADE - We upgraded the tumbler lid to an easy closure designed lid to prevent big spills, significantly reducing the amount of leakage even if your tumbler was to turn over, and keeps your favorite drink at the desired temperature longer. The clear lid design allows you to know what's in your cup or how much is left. EASY TO CLEAN - Wide mouth opening and smooth rounded shape for quick and simple washing. HAND WASH ONLY- Do not put in dishwasher - Wash with soap and water - Do not use with any chemicals - Do not put in freezer or microwave. ECO FRIENDLY & PBA FREE - The stainless steel body is lead free and made from non-toxic materials. Does not retain smells and odors. Its a safe, healthy alternative to plastic bottles and travel mugs. Maximum Temperature Retention Keeps drinks cold up to 24 hours Double Walled Vacuum Insulation Premium Kitchen Grade Stainless Steel Splash Proof Lid upgrade Wide mouth Opening-easy to clean Keeps Drinks Hot up to 6 Hours BPA Free