Promotional Tumblers & Travel Mugs, 14 oz Urban Peak Summit Vacuum Camp Mug - Copper-Lined & Stainless Steel, 18 -8 Stainless Steel dual-walled construction Vacuum-insulated, Copper-lined deep draw liner maintains optimal drinking temperatures and provides 7X heat retention Lead-free vacuum seal Features a clear push-on, sip-through lid Powder-coated finish 1-year limited warranty ... #SL259PR $27.82/each.