... 2,shining electrolysis 3,longtime insulation 4,food&soup available our food keeper:304 stainless steel vacuum food keeper: basic details: *capacity:450ml ... FDA test , SGS , 100% BPA free,LEAD free;· Unbreakable stainless steel material & 100%leak-proof ;· No leak & easy open twist ... to carry,.· It was made of high quality food grade stainless steel and no joint less structure.· Anti-corrosion Special ...