PackIt Insulated Freezable Lunch Bag/Tote, Sandwich and Salad Cooler - 3 Pieces (Ziggy Stripes) KEEP LUNCH COLD - PackIt actually creates cold and drops the temperature by 20+ degrees in the first hour. Gel-lined walls protect and chill your salad up to 6 hours and sandwich up to 4 hours (depending on external temperatures). Bag folds flat and freezes overnight (12 hours). Zip closure locks in cold, dry air. THREE BAGS - Mix and match depending on your mood! Each bag is has gel-lined walls. The lunch bag chills a meal and a 12 ounce drink, the salad bag expands to fit horizonal salad containers and many bento boxes, and the sandwich bag keeps sandwich or portion of snacks cool for up to 4 hours. Use one, two or three for true versatility. Salad bag measures 8" x 8" x 4.25" (8" x 8" x 1.5" folded). Sandwich bag measures 5.5" x 5.5" x 2.5" (5.5" x 5.5" x 0.5" folded). Lunch bag measures 8" x 10" x 5" (8" x 5" x 2" folded). EASY TO CARRY - Lunch bag has a buckle handle that clips onto totes and strollers. Sandwich bag has a convenient wrist strap. Salad bag has convenient handle to allow you to carry salad upright. Good for use with bento boxes as well! EASY TO CLEAN - Interior wipes clean; spot clean exterior. Waterproof design prevents condensation from leaking through the bag's exterior. FOOD SAFE, NONTOXIC - Made from food-safe, nontoxic poly canvas and waterproof EVA. PVC-, BPA-, phthalate- and lead-free