It is a product that craftsmen have carefully painted one by one. ・Moist texture unique to lacquer coating ・ It is moderately warm without getting too hot when you hold it in your hand. ・ The food inside does not get cold easily It has the following characteristics. The outside has a tortoiseshell pattern that feels like it has been dug in, making it non-slip and easy to hold. The color is ・ Tameuchi black (natural lacquer color (brown) on the outside, black paint on the inside) ・ Vermilion (inside and outside vermilion and black inside of the hill) It will be appreciated if it is given as a gift in pairs.