1. Functional airtight container capable of wrapping and sealing at the same time 2. You can check the food inside the container through a transparent window using the stretchable functional TPU film, and it can be stored without limitations in size or shape. 3. You can use both sides freely, making it easy to store various foods 4. Completed a freshness maintenance test that increases the number of days to keep food fresh. 5. 100% Made in Korea 1. Functional airtight container capable of wrapping and sealing at the same time 2. You can check the food inside the container through a transparent window using the stretchable functional TPU film, and it can be stored without limitations in size or shape. 3. You can use both sides freely, making it easy to store various foods 4. Completed a freshness maintenance test that increases the number of days to keep food fresh. 5. 100% Made in Korea size L : 270*210*55(mm) size M : 210*170*55(mm)