Airtight Lockage;Dishwasher, freezer & microwave safe;Passed the leakage tests by authoritative local and international institutes.;Passed the strict hygiene and safety tests of U.S. FDA and German SGS;Space Saving Design;5-Cup/40-fluid ounce;Made of high quality BPA free plastic;Airtight seal with great elasticity power locks tightly with hollow-center silicon;Microwave, freezer, and top rack dishwasher safe