The Excalibur tumbler has a generous 22 oz. capacity, and keeps drinks hot for up to 6 hours and cold for up to 12 hours, with its double-wall, vacuum-sealed, stainless-steel construction There's a clear plastic snap-on lid, spill-resistant lid and a clear straw for easy sipping of cold beverages. CA Prop 65 compliant. BPA free. Meets FDA requirements This premium-quality tumbler is a fantastic way to promote your brand, customized with precision laser engraving that will etch your logo in stainless steel.