US Patent 8459494 Apparatus for shading a beverage container

A shaped Styrofoam insulated sheet for shading a beverage container has fold lines thereacross to define a bottom coaster portion for resting on flat surface and shaped for supporting a base of the beverage container, an upstanding piece along one side of the beverage container shaped to follow a side elevation of the beverage container to act as a shade the beverage container and an upwardly inclined top cover piece extending over the beverage. The upstanding piece is bottle or glass shaped and carries advertising printed on the outside surface or inserted as a sheet into a transparent envelope.