Tumbler washers are highly used products in various places such as institutions, cafes, and homes, and allow tumblers to be used cleanly. As for the direction of design, the design was developed with a motif based on simplicity and neatness, and it is formed into two types of products, black and white. It is a product that can wash and sterilize the tumbler and cap inside at the same time, and also makes it possible to wash and dry it in about 3 minutes.