Polarease Design Stainless Steel Rambler Tumbler, King-size Travel Cup 30 Oz Capacity, Double Wall Vacuum Insulated Mug with Clear Lid PREMIUM QUALITY: Polarease Rambler Tumbler is made from the highest quality, premium 304 (18/8) food grade stainless steel, which is BPA free, eco-friendly, non-toxic and rust-proof quality as well. Consequently our Rambler Tumbler doesn't change the taste of your drinks! DOUBLE WALL VACUUM INSULATED TECHNOLOGY: Polarease Rambler Tumbler is manufactured using double wall vacuum insulation technology that prevents any temperature changes and keeps your either hot or cold drinks at a desired temperature for a long period of time! SWEAT PROOF AND LEAK PROOF: Abovementioned vacuum insulation technology also prevents condensation from forming on the outside, making sure that this cup never leaves a spot. PORTABLE AND FUNCTIONAL: The wide mouth opening and smooth structure allows easy access to the inside surface and makes easy washing, so you can wash our travel cup by hand. Polarease Rambler Tumbler was designed considering all your requirements: tumbler has perfect size to take it along and perfect shape that fits most cup holders. WARRANTIES & 100% SATISFACTION: In addition to our standard MANUFACTURER'S WARRANTY we offer exclusive NO QUESTIONS ASKED WARRANTY with every one of our Polarease tumblers, this policy ensures that your tumbler have the ability to last you for years to come. 100% Satisfaction Guaranteed on every order  every day! Get your own PREMIUM QUALITY Polarease tumbler and be assured our warranty has got you covered!