12 oz. 3-in-1 Hassler Vacuum Mug

Copper lined, vacuum-insulated deep draw liner maintains optimal 7X drinking temperatures

Dual walled Stainless Steel construction

Lead-free vacuum seal

Includes 2 lids (clear thumb-slide, push-on lid and a black push-on can/bottle ring) designed to attach to the mug at the same time to prevent loss and provide a seamless on-the-spot transition

Push-on rubberized ring holds a standard 12 oz. can or bottle

Single self-contained unit transitions between poured drink insulated mug, 12 oz can cooler mug, and 12 oz beer bottle cooler mug

Durable powder-coated finish

Sweat-free design

1-year limited warranty

Patent pending