Eco Friendly Freezer bags help seal in freshness and lock out air, protecting food from freezer burn.Made from FDA-approved, high-quality polyethylene. No BPA,PVC or phthalates. Proven safe for food-contact and using controlled-life technology, safe for the environment as well. ecofworld food storage freezer bags protect foods from freezer burn while keeping food fresh and full of taste. It’s Ideal for freezing fruit, vegetables, meat, poultry, fish, baked goods, cooked food, and leftovers. Available in Quart & Gallon sizes.Thick, durable bags that help protect food from freezer burn and are also reusable.Microwaveable (use as directed). When defrosting & reheating, open zipper one inch to vent. Bags are designed to turn plastic into a material that has a completely different molecular structure that is bio-assimilated in the open environment, similar to the decomposition of a leaf.