Promotional Tumblers & Travel Mugs, 16 oz Contigo West Loop 2.0 - Gun Metal - Vacuum Insulated & AUTOSEAL, 16 oz double wall stainless steel tumbler with vacuum insulation, easy-clean threaded lid with locking mechanism and patented AUTOSEAL push-button. Hand wash recommended. Do not microwave. Contigo logos must be printed in set locations on each item. ... #34294 $32.98/each.