TECHNOLOGY: TempShield(TM) protected sweat-free finish eliminates condensation, keeping hot beverages hot up to 6 hours and cold drinks cold and refreshing for 24 hours Made from extra durable 18/8 pro-grade stainless steel that ensures pure taste and no flavor transfer FEATURES: Dual use design doubles as a insulated beverage cup or cooler cup Flex collar locks in the cold and can be used with a variety of bottles or cans TPU sleeve secures bottles/cans and protects base BPA-free and Phthalate-free SPECS: Capacity: 12 oz. Volume: 355 mL Dimensions: 2.9 in. W x 4.50 in. H Weight: 0.60 lbs. Style: K12