Features: Freeze-Friendly: Vacuum food storage containers are stackable and reusable compact airtight waterproof and anti-spill even if all four labels become loose. Microwave oven dishwasher (cover shelf pump hand washing) refrigerator and freezer. Healthy Storage: Tight vacuum-sealed marinade containers provide oxygen and moisture barriers to limit food spoilage. Perfect for bulk purchase or cooking divided into several portions for later use and storing leftovers. No batteries or electricity are needed. Keep food fresh and nutritious. Vacuum Pickle: Vacuum sealed container does not contain BPA. You can store your food to prevent it from becoming stale. Vacuum food storage containers reduce freeze burns by preventing food from being exposed to cold dry air. Detachable and gasket. Quick pickle seal. Money And Food Savings: Tight vacuum-sealed containers provide oxygen and moisture barriers to limit food spoilage. Perfect for bulk purchase or cooking divided into several portions for later use and storing leftovers.