Optimus - 20 oz. Double Wall Stainless Tumbler with Ceramic Interior Stainless Steel Beer Cup It features an inside file

It features an inside file pocket

or day at the office

especially for those contending with multiple time zones

It measures 17" when closed

Optimus - 20 oz. Double Wall Stainless Tumbler with Ceramic Interior Stainless Steel Beer Cup It features an inside fileDiscover the Optimus, a 20 oz. double wall stainless steel tumbler designed to elevate your beverage experience. Featuring double wall vacuum insulation and a ceramic coating inside, this tumbler keeps your hot drinks warm for up to 6 hours and your cold drinks chilled for up to 12 hours. Complies with Prop 65. 7. 56" H x 3. 39" Diameter Imprint Area 2" W x 2" H on front Production Time Approximately 5 working days