Hydro Flask Tallboy Cooler Cup - K16001A It’s a tallboy can cooler and it’s an insulated stainless steel pint glass. A silicone collar holds your can in place, then swaps to the bottom to switch into a 16 oz cup that keeps drinks cold or hot. Great colors. Great design. Way cool. TempShield®️ double-wall vacuum insulation protects temperature for hoursMulti-use design works as a tallboy can cooler and a 16 oz beverage cupCompatible with Small Closable Press-In Lid, Small Press-In Straw LidFits most cup holdersFlex Collar locks in the cold with a snug fit for bottles and cans, or stabilizing bootMade with 18/8 pro-grade stainless steel for durability, pure taste and no flavour transferColor Last™ powder coat is durable, sweat-free and colourfulBPA-FreeDishwasher safeNot for use on a stove, in a microwave or freezerCompatible with Small Closable Press-In Lid, Tumbler Sip Lid and Small Press-In Straw LidCan fit in a Medium Packable Sling