Voyager Coffee Mug with Handle - 12 oz R3UZ

Durable: Made from top quality stainless steel and a copper-coated interior.
Double Wall Insulated: Keeps beverages hot for 4 hours, and cold for 16 hours.
Leakproof: Clear flip lid that twists-on for drinking hand preference.

Pat/Pat Pend.

ref R3UZ