This midnight blue ceramic mug with infuser and lid has a design called Fukuju in Japanese.
113-913 Mug, Infuser and Lid Ruri Fukuju
4" height x 3.25" diameter
9 ounces capacity
Price: $13.50 each
(Price includes free shipping and handling within the continental United States on orders of $50 or more. A $6 shipping charge will be added to all orders under $50. International orders and those shipping to Alaska and Hawaii will be assessed U.S. Postal charges.)