Our stainless steel tumbler use a SWEAT FREE DESIGN that prevents any temperature changes or condensation from forming on the outside, making sure that this cup never leaves a ring spot on any surface again Guaranteed! The 40oz Travel Tumbler are 100% Sweat Proof and will keep you hydrated all day long. These Reusable Vacuum Tumbler is the drinkware everyone needs in their pantry with a 40-ounce capacity and 3-way rotating cover. You can use the wide mouth opening, the reusable straw, or you can close it to prevent spills. Plus, the Insulated Cup Travel Tumbler is compatible with your car's cupholder so you can easily take it with you on the go. (Similar to the Stanley Cup) Features: 100% SWEAT Proof Double wall Insulated Screw-on lid Reusable straw Rugged carry handle Car cup holder compatible Rotating cover with three positions: a straw opening, a wide mouth for chugging, and a full-cover top to prevent spills Specs: 7 Hours Hot 24 Hours Cold Dishwasher safe Keeps ice for 2 days 18/8 stainless steel, BPA-free Dimensions: 3.8 in. x 5.75 in. x 12.5 in