... grade material 4,leakproof !!! our cocktail shaker:stainless steel cocktail shaker:basic details: *capacity:250ml;350ml;450ml *packing:30pcs/ctn(this ... ,FDA test , SGS , 100% BPA free,LEAD free;· Unbreakable stainless steel material & 100%leak-proof ;· No leak & easy open twist ... carry,.· It was made of high quality food grade stainless steel and no joint less structure.· Anti-corrosion Special coating ...