What are the types of sleeve?(Hits:1745)

Orgin: Author: 2015-02-05
        Sleeve on the market today there are types of

1, zipper sleeve

2, double-sided sleeve (you can turn over the two surfaces can be used)

3, the flip cover sleeve.

        Recommend you use good quality tank bag, market bag filled with a variety of interior products, of varying quality, good sleeve to give the books more personal and effective protection.