Abstract: The present invention relates to a dispensing device generally comprises a plug body, a cap and a straining cup. The plug body is made from soft plastic material and the lower portion of the plug body is provided with a plurality of sealing flanges. The upper portion of the plug body is enveloped with a rigid casing which is provided with an outer thread and in which a directing tube is provided therethrough. The directing tube is projected over the rigid casing and the tip of the tube has an inclined spout. The cap is provided with a sealing element therein and a sealing hole is provided at the bottom center corresponding to the directing tube of the plug body. The bottom of the receiving space is further provided with inner thread which may tightly engage with the outer thread of the plug body. The straining cup is made from a filter which has very fine meshes. The side of the straining cup is provided with a groove.