PRODUCT DETAILS:30 oz TumblerIt might seem weird to get excited about a cup, but this is no ordinary cup. The tumbler's design has been engineered from the inside-out to ensure it's ready for any challenge you throw at it. Corrosion-resistant 18/8 stainless steel (a.k.a. 304 stainless steel for you fabricators out there) is cold worked for durability and vacuumed sealed for superior insulation. The inner wall is copper lined for more even temperature distribution within your beverage of choice.30 oz5+ Hours Hot50+ Hours ColdFits Most Cup HoldersDishwasher SafeSliding Lid Included SHIPPING INFO: Ships in 5 business days but may vary. Extended shipping during peak seasons.Worldwide shipping available but some areas restricted by USPS.Tracking info will be emailed to you once the product has shipped.ADDITIONAL INFO: All international customers are responsible for any custom/VAT fees that occur when the product arrives to your country.