- An entirely new insulation innovation Now we’ve re-innovated that popular insulation technology, adding a unique temperature retaining coat between the double-wall stainless steels to make it even better for keeping temperature of your drinks. And we call this BUZIO insulation innovation - TempArmour. - Durable and safe that it should be All iFlasks are made with 18/8 professional food-grade stainless steel and BPA-free recyclable PP#5 plastics – both famous for their durable and non-toxic features. Specifically, the 18/8 stainless steel keeps your favorite drinks fresh and pure, without any leftover flavors or odors. Highlights -Wide mouth 2.2” opening--easy for cleaning and ice-filling -Keep cold up to 48 hours, and hot up to 24 hours -100% non-toxic BPA-free plastics -18/8 food-grade stainless steel -Durable, easy-grip and sweat-free powder coat -Portable size -Comes with two caps: flex cap & straw lid or flex cap & flip lid -Fashion pure color design -Hand wash only with hot soapy water then rinse and dry What’s in the Box - Wide mouth water bottle - Flex cap - Straw lid / flip lid -2 x Straws - A Brush - User guide - Lifetime warranty