Tsugaru Vidro Sake Cup is handmade by experienced craftsman in the region of Tsugaru, Aomori prefecture, on the northern tip of Japan’s main island. This sake cup is Tsugaru Vidro heat-resistant glass series and can be used to serve both cold and hot sake. It is also microwavable and machine-washable. Sake tastes much better when served in proper sake server and cups. Tsugaru Vidro is a must-have item of true sake connoisseurs.