- Made of food grade silicone that is non-toxic and odorless, ensuring safe contact with food and easy maintenance. - High temperature resistant and compatible with refrigerators, microwave ovens, and dishwashers for convenient storage, reheating, and cleaning. - Collapsible design folds completely to one third of the original size, allowing different sizes of lunch boxes to be stacked together for compact storage. - In microwave use, the clip lock securely covers the food and the air valve on the lid acts as a vent to release steam. - Easy to clean and maintain, suitable for repeated daily use. - Ideal for food storage and easy to carry to the office, camping, hiking, picnics, and other on the go occasions. Use scenarios - Office lunch and meal prep: Prepare meals at home, store in the fridge, reheat in the microwave using the clip lock and vent to release steam, and enjoy a container that saves cabinet and bag space by stacking with other sizes. - Camping and outdoor activities: Foldable design reduces bulk in your backpack, keeping snacks and meals organized and portable, with simple cleaning after use. - Home kitchen and travel: Store leftovers safely in the fridge or dishwasher safe for quick cleaning, and transport meals easily for trips or daily commuting.