From the product description, check product page for current description, price and availability:

• HAVE FUN LONGER – Designed by our easy-going engineers, the Koozie Triple Can Cooler is designed to keep your beer or soda cold for up to 12 hours! Ideal for a day at the beach, tailgating at the game, at home or outdoors.
• PATENT PENDING 3-IN-1 CAN COOLER, BOTTLE HOLDER, TUMBLER – Use as you like, you can fit a 12 oz. can, a bottle or you can pour your coffee or ice-cold drink and use as a tumbler. Features a two piece lid – screw-on black ring to hold your can or bottle, or drop in the clear plastic lid for an on-the-go tumbler with just a snap! (Lid patent pending.)
• 18/8 STAINLESS-STEEL FOOD GRADE – you won’t taste the steel when you drink. No staining, no corroding and it is BPA free
• NO SWEAT, NO FREEZE – Made of double-wall vacuum construction, you can say goodbye to damp or frostbitten hands. Keeps your hand dry, no condensation.
• All Koozie Drinkware are sized to fit in standard sized cup holders