PackIt Freezable Shopping Bag with Zip Closure - Black - 2 Count PackIt Freezable Shopping Bag is designed to keep contents cooler, longer: up to 6 hours (depending on external temperatures) Features a patented freezable gel permanently built into liner, no need for ice or gel packs, simply fold your PackIt flat and freeze overnight New! Zip closure to lock in cold, dry air; dual handles for easy transportation Perfect for transporting healthy foods: dairy, fruits, veggies and meats Made from food-safe, nontoxic poly canvas; PVC, BPA, phthalate, lead free; Simple Care: interior wipes clean, spot clean exterior