Rokurosya Urushi Lacquer Sake Cup by Yoshio Sakai. 
These fine Urushi bowls are made of Japanese cherry birch, which is a species of birch native to Japan. The thin wooden sake cup has a stylish shape and, is made in Fukui known for their Japanese urushi technique. Coated with Urushi lacquer, continual use will season the cups to develop a beautiful antiqued appearance. Urushi Lacquerware matures with the progression of time, allowing the user to enjoy its changing expression. The product has a beautiful modern look, light-weight, and elegance; a characteristic of traditional Japanese craft.
ROKUROSHA is based in Fukui Japan.
Yoshio Sakai, a Japanese woodturner creates stylish products from wood by various craft methods and techniques while succeeding to traditional techniques as a Japanese woodturner.