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TAKE ADVANTAGE OF OUR SPECIAL INTRODUCTORY PRICE! Your search for the best tumbler is over! Say hello to the best tumbler out there, IRON FLASK! Stay hydrated in style with our classic tumber. Easy to clean and maintain, our tumblers come with a collection of accessories to address your needs. The IRON FLASK tumbler is made of premium 18/8 stainless steel that is 100% BPA FREE. This tumbler will keep your drinks cold & hot for many hours! It will also never sweat no matter what the drink temperature. What are you waiting for? Go ahead and order the #IRONFLASK already! Lifetime Warranty against manufacturing defects if registered through our website Share a picture of your Iron Flask on Instagram with the #ironflask and by tagging @ironflask