Isosteel VA-9554QAT 0.9 Litre 18/ 8 Stainless Steel Slimline Double-Walled Vacuum Flask, Titanium Gray unbreakable (almost) highest vacuum technology for extra long heat or cold retention 24/48 h 18/8 food grade stainless steel | BPA FREE, FDA and LFBG approved removable drinking cup, easy one hand use by Quickstop system 5 years limited warranty by Isosteel Germany GmbH