Customized Tumblers & Travel Mugs, The Viking Collection 20 oz Rainbow Nova Tumbler - Vacuum Insulated & 24Hr Cold, The Viking Collection 20 oz Rainbow Nova Tumbler with a standard twist closure lid, vacuum insulation, copper lining, and an iridescent finish. Standard lid press in, twist closure lid. Keeps liquid hot for 5.5 hours or cold for 24 hours. We recommend hand washing to ensure the life of the imprint. Viking and The Viking Collection have Registered Trademarks of IMAGEN Brands, LLC. Double wall vacuum insulated stainless steel tumbler with copper lining and iridescent finish. ... #CDKW056 $10.46/each.