LOCK&LOCK Plastic Sealed Food Storage Containers Set, Kitchen Freezer Food Preservation Storage Box, 5-Piece Set

4. Temperature Resistance

• Operating temperature range: -20°C to 100°C
• Microwave safe (with lid unlocked)
• Refrigerator safe
• Resistant to cracking at -20°C
• Resistant to deformation at 100°C

5. Features

• Four-side locking mechanism for effective sealing
• Hollow silicone resin sealing strip with compression sealing for enhanced airtightness
• Semi-transparent lids for easy content identification
• Stackable design for space-saving storage
• BPA-free, safe and healthy materials
• Suitable for storing spices, snacks, dried goods, fruits, vegetables, tea, beans, mushrooms, candies, biscuits, etc.
• Easy to carry and convenient for daily use

6. Usage Instructions and Precautions

• Microwave heating time should not exceed 3 minutes
• Avoid prolonged high-temperature heating to prevent deformation
• Storing highly pigmented or fermented foods may cause discoloration of the container
• When microwaving foods high in oil or sugar, deformation may occur
• Use soft sponges for cleaning; avoid abrasive materials to prevent scratches
• Do not store carbonated beverages (e.g., soda, cola) in the containers
• Hot foods may reduce sealing performance; allow to cool before storage
• Do not store alcohol, benzene, volatile oils, flammable chemicals, or medicines
• When microwaving, always unlock the four-side lid locks before use

7. Additional Information