Easylock 700mL Square Plastic Food Storage Container 1. PP 2. 4-side lock, airtight 3. use for ... microwave 4. SGS, FDA, LFGB Easylock 700mL Square Transparent Plastic Food ... latches and loosen lid before use in microwave.Avoid overheating food high in oil, fat, sugar, or Tomato content to prevent ...