What's the options about the packaging ?

Options for the packaging of slate coaster 

Slate coaster:It has to be said that use the slate coaster is a good way to protect the top of the table from harm,like scratches,heat,cold or liquids.But there are something need to play a protective role in slate coaster.Yes ,that's the packaging.

So how many kinds of the packaging about the slate coaster?Let's take a look.

The frist one is shrink film: It is a material made up of polymer plastic film. When heat is applied, it shrinks tightly over whatever it is covering.