It's a little case / cover for pop cans

This is an easy cover for pop cans, and it is made of a piece of square paper with the width 70mm, and there is a pattern of a little case with a gap on the top. Users only need let the ring of the pop go through the gap, and then the paper will be fixed to the top of the pop can. It gives an easy and efficient solution to prevent the dust in the air from flying into the can.