WestCoastWise Reusable Silicone Food Storage Bags (4-Pack) Airtight, Leakproof Preservation System | Cooking, Sous Vide, Leftovers, Steam or Meal Prep | Microwave, Freezer SafeMEAL PREP AND PRESERVATION These reusable food saver bags are crafted with heavy duty, food grade safe silicone that lets you prep, store, freeze, steam, or re heat food, leftovers, soups, and more for true kitchen versatility. REUSEABLE, BPA FREE SILICONE WestCoastWise food preserver bags are freezer, steam, and dishwasher safe, making them perfect for meats, vegetables, milk, sous vide meals, stew, kids fruit snacks, and so much more. SMARTER,