LOCK & LOCK 7.2 Cups Hamburger Case Square Storage Container, Clear Airtight Lockage OK & Sterilization in hot water OK, Freezer Ok Passed the leakage tests by authoritative local and international institutes It has passed the KEMTI's bending test Passed the strict hygiene and safety tests of U.S. FDA and German SGS <a href="https://www.amazon.com/b?node=14770868011"> International products </a> have <a href="https://www.amazon.com/gp/help/customer/display.html/ref=nav_cs_help?ie=UTF8&nodeId=202045290"> separate terms, </a> are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. Manufacturer warranty may not apply <a href="https://www.amazon.com/b?node=14770868011">Learn more</a> about Amazon Global Store.