Insulated retainer for a beverage container

A device for holding a beverage container, the device comprising:

• a cylindrical sleeve made of nitrile, said sleeve having inner and outer side walls an open top end and an open bottom end, said sleeve comprised of a flexible foam material and dimensioned to at least partially enclose the side walls of a standard twelve ounce beverage container;
• and
• a flexible base made of nitrile, removably attached to the outer side of wall of said cylindrical sleeve at the bottom end thereof, said base being generally tabular with a flat top surface and a flat bottom surface, the top and bottom surfaces being parallel, said base being circular in shape, and comprised of a solid, resilient, flexible material, the top surface of said base joining said cylindrical sleeve in substantially perpendicular relation, wherein said base is between 1/8 and 1/2 inch thick.

A device for holding a beverage container, the device comprising:

• a cylindrical sleeve means having an open top end and open bottom end, said sleeve means comprised of flexible nitrile material and between four and five inches in height;
• and
• a base, said base fixedly attached to said sleeve means at the bottom end thereof, said base being generally disk shaped with a flat upper and a flat lower surface, the upper and lower surface being parallel, and comprised of a Nitrile material between 1/8 and 1/2 inches thick, and having a diameter of between 41/2 and seven inches.