What Is A Skin For My Cell Phone What Is A Cell Phone Skin?

What is a cell phone skin? - what is a skin for my cell phone

Okay, I my friend a cell phone, a part of his Christmas present to be covered. The only problem is, I can not find what I want. I want to custom with the model you choose. I found sites that allowed me to make skins, but what is the difference between the skin and a blanket? "