Removable is an adjective used to describe something that can be taken away. A temporary tattoo is removable, but a real tattoo isn't.
Anything that can be taken away, taken off, or gotten rid of can be described with the adjective removable. The CEO of a company is removable, because she can be fired by the company's board of directors. Your clothes are removable, since you can take them off whenever you choose to. (Well, maybe not whenever.) Removable implies something that is ultimately impermanent or temporary.
