KEEP FOOD FRESH: The vacuum sealer bags can block oxygen and moisture, preventing food from spoilage, dehydration and freezing burn. The vacuum seal bags can extend food shelf life up to 7X longer. Keep freshness, nutrition and flavor in your food. SAFE & BPA FREE: Food grade vacuum sealing bags, BPA free, safe to boil, freezer, microwave and sous vide cooking. Temperature resistance -40 to 110. Great for storing various foods and meeting your daily need, it's a good assistant in kitchen. DURABLE MATERIAL: The vacuum sealer bags food adopt to 7 layers co-extrusion technology, with embossed channels to increase suction, it's effective to prevent puncture of bags, keep food fresh without freezer burn or dehydration. SAVE SPACE & MONEY: The vacuum food sealer bags can help you to prepare food quickly, put sealed food into fridge, greatly save space, so you can put more food into fridge, not only remaining original flavor of food, but also preventing food spoiled and reducing waste.can be washed and reused, it is very economical, keep food fresher.