Custom Tumblers & Travel Mugs, 20 oz Urban Peak Trail Vacuum Tumbler - 24Hr Ice Retention & Copper Lined, Copper-lined, vacuum-insulated deep draw liner maintains optimal drinking temperatures and provides 8X heat retention Stainless Steel dual-walled construction Lead-free vacuum seal Features a screw-on, spill-proof AS plastic with unique flip top design and Tritan snap locking closure lid Keeps ice for over 24 hours Sweat-free design Powder-coated finish 1-year limited warranty Patented ... #SL234PR $24.41/each.