... rust welding 4,fashional style our hip flask:food grade stainless steel hip flask: basic details: *capacity:8oz *packing:100pcs/ctn ... -Friendly,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 coating ...