Insulating device for a beverage container

A device for insulating a hand held container comprising a flexible insulative tubular sleeve having open top and bottom ends to define an internal tubular passage for the receipt of a container, said sleeve having separate inner and outer layers in general face to face opposition to each other, said layers joined together at both said top and bottom sleeve ends with said inner layer being of a continuous circular and axial extent between and from said top and bottom ends and said outer layer being of discontinuous circular extent to define at least one outer layer free edge longitudinally extending between said top and bottom sleeve ends, said at least one free edge and the outside surface portion of the inner layer adjacent thereto defining an open longitudinally oriented finger receiving slot, said slot forming the entrance of a finger receiving pocket internally disposed between the outside surface of said inner layer and the inside surface of said outer layer whereby the container may be at least partially grasped by one's fingers positioned in said pocket, and wherein said outer layer covers a majority of the outside surface of said inner layer.