high quality stainless steel food box: 1,new design shape ... test , SGS , 100% BPA free,LEAD free;· Unbreakable stainless steel material & 100%leak-proof ;· No leak & easy open ... ,easy to carry,.· It was made of high quality food grade stainless steel and no joint less structure.· Anti-corrosion ... containers to very strict standards from the highest quality materials. They are incredibly tough, but if ...