... to outside using, rotproof BSCI , SEDEX 750ML stainless steel sports bottle specification: materialstailess steelcapacity750mllidscrew stopper, leak-prooffunction ... keep water, juice , milk etc.treatment inner with electrolytic treatmentadvantage1,various shaped2, several lids optional3, ... SGSFactory Audit : ADIDAS , SHELL , SEDEX , BSCI 750ml Stainless Steel Sports Bottle with Screw Stopper