Isosteel VA-9554 30 fl. oz Vacuum Flask Screw Stopper unbreakable, 24 hours hot 48 hours cold, leak proof by 2 gasket screw stopper high qualitiy vacuum technology, FDA and LFBG approved 18/8 Food grade stainless steel | BPA FREE removable drinking mug with srew cap 5 years limited warranty QC and design Isosteel Germany Service: info@isosteel.de