US Patent 7302810 Quilted cooler with insulating gel liner

A cooler is provided including a sidewall portion including an outer layer and an inner layer quilted to form a plurality of gel pockets and gel disposed in the plurality of gel pockets, wherein the cooler is foldable along regions between the gel pockets. In one embodiment, the gel is a saline solution. In another embodiment, the cooler further includes a bottom flap foldably attached to a seam between a bottom and the sidewall.