Customized Plastic & Stadium Cups, 20 oz Urban Peak Party Cup - Vacuum Insulated & Stainless Steel, 18-8 Stainless Steel dual-walled construction Copper-lined, vacuum-insulated deep draw liner maintains optimal 7X drinking temperatures Lead-free vacuum seal Features a clear push-on, sip-through lid Sweat-free design Powder-coated finish 1-year limited warranty Patent pending ... #SL165PR $27.40/each.