This 16oz double walled Stainless Steel Tumbler is good enough to carry the RIVET Coffee logo. Its just the right size and fits in all the cup holders we could find. They have a nice anti slip coating that comes in several different colors. The screw on lid has a liquid tight locking lid with vent holes that allow for well controlled sipping of your fresh hot coffee. The vacuum sealed double walled construction does a good job keeping your cold drinks cold and your hot drinks hot.