NRS Dura Soft Cooler When the food and drinks are gone, you can crush and stow your Dura Soft out of the way This model Dura Soft was previously called the "Six Pack" Temperature-reflective Mylar and closed-cell foam insulation keeps contents cold Infinity urethane liner contains ice and liquids without leaking, and with its hook-and-loop attachment you can easily remove it for cleaning Nylon exterior is tough and flexible, and a urethane-coated nylon bottom adds extra durability