Available on In Stock Inventory Only 18/8 Stainless Steel Double-wall vacuum insulation Reusable straw Screw on 3-position lid featuring a straw opening, sip-through opening, and full-cover close top Keeps liquids hot for up to 7 hours Keeps liquids cold for up to 11 hours, up to 2 days ice retention Rugged carry handle Car cup holder compatible Dishwasher safe when laser engraved Lifetime warranty *Only Laser Engraving decoration one location on one side available on this Starline On Demand Program item.