Promotional Tumblers & Travel Mugs, 20 oz Everest Stainless Steel Insulated Tumbler - Copper Lined & Vacuum Insulated, BPA-Free Stainless steel outer and inner walls Copper-lined Double-wall vacuum insulated Keeps drinks hot or cold for hours (keeps cold up to 18 hours and keeps hot up to 8 hours) Spill-resistant slide lid w/rubber gasket Sweat-resistant Ships assembled Hand wash recommended All tumblers come with clear lid unless otherwise specified Full color imprints are varnish coated for shine and durability ... #4750 $12.45/each.