BLACK 4 in 1 Insulated HOT/COLD, Stainless Steel Bottle and Can Insulator for 12oz Standard Cans, Slim Cans and Beer Bottles, or as a 14oz Coffee Mug with Lid

It is a very easy to use can cooler, just twist off the cup lid, then put into your favourite drink and tighten the lid.
Flexible lid designed to fit a variety of drinks and no need to use adapter.
This multi-use drink cooler also can be your good company in your party, garden BBQ, camping, fishing, boating, going to the beach, bachelor parties, grilling out, football, vacations or sporting events etc.