Fewer refills = better hydration - all thanks to the Owala 40 oz. Tumbler. But this is no ordinary insulated cup. It also has an awesome 2-in-1, sip-or-swig lid. The Owala Tumbler fits easily into most cup holders, making it the perfect car companion. Oh and did we mention it is splash-resistant? Like seriously splash-resistant. Features: 40-oz. stainless steel, insulated bottle 2-in-1, Splash-Resistant lid with removeable straw, lets you sip or swig Double-wall insulation keeps drinks colder longer Wide opening for cleaning and adding ice BPA, lead, and phthalate-free Dishwasher-safe lid and hand-washable cup