Deep Freeze insulation with Therma-Flect radiant barrier reflects heat rather than absorbing it Ultra Safe leak proof*, easy clean lining with Microban to help protect against odors and stains Includes 2 removable Ice Walls that fit inside two exterior pockets to enhance cold retention Padded back with breathable mesh panels, adjustable, padded backpack straps and sternum strap for comfort and stability Water and stain repellent, wipe clean, coated exterior**