When heading out camping, on a long road trip, or even a daily commute, this 20 oz Urban Peak^® Vacuum Tumbler will keep favorite beverages at the optimal temperature. Copper lined with vacuum insulated deep draw liner that will keep drinks hot or cold. Can even keep ice for over 24 hours! Made with 18-8 stainless steel. Features sweat free design and clear screw-on lid. Packaged in drawstring pouch. BPA free and FDA compliant.