high quality stainless steel food box: 1,new design shape 2,shining inside ... Friendly,FDA test , SGS , 100% BPA free,LEAD free;· Unbreakable stainless steel material & 100%leak-proof ;· No leak & easy open twist ... ,durable,easy to carry,.· It was made of high quality food grade stainless steel and no joint less structure.· Anti-corrosion ... look forward to hearing from u!pls feel free to contact with us!