To apply, simply peel the back sheet and apply to where you'd like it to be and peel off the last layer and you're done. It takes less than 1 minute.

Compared to sandblasting, this is cheap. Not only that but it is a significantly more complex process of getting your design yourself and making it.

We as humans change our preferences all the time. We may not like the design after some time and would like a new one. With traditional sandblasting that is not possible. Our etches with some effort can be removed with a trace.