K12 Hydro Flask 12 Ounce Cooler Cup Cooler than a cup, this stainless steel insulated bottle and can cooler keeps a 12 oz. beer or soda cold. Perfer a cup? Pop off the flexible collar and its a 12 oz. outdoor tumbler. Fun colors. Great design. This cooler cup combo is your go-to for parties and picnics. Tempshield double-wall vacuum insulation protects temperature for hours Mult-use design works as a can or bottle cooler and a 12 oz. beverage cup Compatible with Small Closeable Press-In Lid, Small Press-In Straw Lid Fits most cup holders Flex collar locks in the cold with a snug fit for bottles and cans, or stabilizing boot Made with 18/8 pro-grade stainless steel for durability, pure taste and no flavor transfer Color Last powder coat is durable, sweat-free and colorfull BPA-free Dishwasher safe Not for use in a stove, in a microwave or freezer Lifetime warranty with Hydro Flask Size & Dimensions 12 oz. Volume: 355 mL Diameter: 2.9 inches Height: 4.50 inches Weight: 0.60 lb Product Care Refer to Hydro Flask's website FAQ for specialized instructions Dishwasher safe Do not use in freezer or on stove Do not use bleach or chlorine Do not soak Can hand wash using a bottle brush in cold to lukewarm water after each use Use distilled white vinegar or baking soda for cleaning the interior