A Common Test report and Certificate All the containers of FOORESH are safe and long-lasting because they use only safe ingredients produced in Korea and certified. Certified by the Kimchi Research Institute FOORESH TWIST, which contains the wisdom of the Korean jar, is effective for kimchi keeping. The test was completed by the World Kimchi Research Institute and proved to be excellent in the effectiveness of the kimchi storage function. - Be safe from germs, Anti-bacterial 99.9% - Radon safety - Passed FDA safety test - Microwave and dishwasher safe - Excellent flexibility and durability - Frozen and hot foods are available. - You can boil hot soup and store it right away - Container optimized for cold storage - BPA Free - Master Badge special technology maintains the freshness of food ingredients by inhibiting bacteria and absorbing and increasing ethylene gas. - Heat resistance test results - no discoloration or deformation - Color : Orange - Antibacterial certification, non-detection of hazardous substances certification, passed Japanese specification test