Plastic keep Fresh Vacuum Box Food box Food container Microwave box Microwave Storage Box The quality of many foods deteriorates when exposed to air, mainly due to the humidity of the air. With the Bergner Vacuum Box, all air sensitive foods, such as cookies, crackers, cereals and chips can be stored in a vacuum, Keeping them fresh and crisp. DESCRIPTION: 1. Easy&tight locking system. 2. Easy to use vacuum system to extract the air and tighten the cover 3. Can be used in a microwave oven also. 4. Dish washer safe. 5. Can withstand temperatures between -25degree Celsius to 120degree Celsius Method of use: 1. Put food in container and cover with lid. 2. Push the valve face down and secrue lid using clip. 3. Put pressure on top by pressing down in middle. 4. To release pressurelift the valve up. 5. Material: Plastic polypropylene, Colour: Translucent, Packing: Shrink film