By put the lid float on the liquid surface sauce, storage container that can reduce the area of soy sauce exposure to air, to keep the freshness of soy sauce.Spout is hard to anyone station easy to pour.And washable firm to put your hands in the body of the large diameter.(Refrigerator increase provided the seasoning space. Crisper that increasing consumer to store the sauce in the refrigerator) can be stored in the refrigerator door pocket of (2 l Pet Friendly product).Color becomes dark soy sauce and oxidation, (darker as the value is small) it is possible to measure the freshness by examining the chromaticity. Direction which has float lid by looking at the third party has a higher number of chromaticity.Than that it be used in conjunction with soy sauce as it is Motto, make someone come save function Zu as stand open.