Patent ID: 7762424

Claim:
A foldable air insulating system, the foldable air insulating system comprising: a cup; and a foldable air insulating sleeve configured to receive said cup and to insulate said cup via at least a first pocket of air, said foldable air insulating sleeve comprising: a substantially tubular outer shell having a pair of longitudinal folds on opposite sides of said outer shell and a bottom edge; a rim; and an inner base connected to said outer shell and having an inner base fold, wherein said pair of longitudinal folds and said inner base fold are all located in a single plane both when the foldable air insulating sleeve is in a folded position and when the foldable air insulating sleeve is in an unfolded insulating position, and wherein the inner base is located above the bottom edge of the outer shell when the sleeve is in an unfolded, insulating position.