Isosteel VA-9553QAT 34 fl. oz. Double Walled Vacuum Flask with Isulating Plastic Drinking Mug and Quickstop System - Single Hand Pouring, Titanium Gray - BPA free unbreakable, plug easy to dismantle for cleaning, Screw Plug available by request high qualitiy vacuum, keeps hot for more than 24 hours, cold more than 48h 18/8 Food Grade stainless steel | BPA FREE, FDA, LFBG and German Military approved removable drinking mug, easly use by one hand QUICK STOP Plug 5 years limited warranty service:Info@isosteel.de