The form of the glass shows us what content has to fill it. A Martini glass is used for a Cosmopolitan, if you want to drink champagne, you use champagne flutes, and so on. Therefore a good arranged house-bar owns numerous glasses that are designated to holding special contents. The designer Alissia Melka- Teichroew faced the challenge on a playful and creative way to turn a drinking glass upside down with her design, so that she quasi created the negative of a glass. The outer transparent form complies with the form of an archetype drink glass. The inside of the glass explains the usage from the object – over all when it is filled. The InsideOut glasses are an aesthetical, humorous and stylish fulfilling for every household. Moreover they possess the practical advantage of an insulated working because of the double-walled glass that maintains the champagne cooler that conventional champagne flutes.