Inner Bladder

The so-called liner bag is different from ordinary notebook outsourcing, and it is distinguished from backpack (backpack), handbag (handbag), etc.; outsourcing focuses on carrying function, and the interior can be all-encompassing; while the liner bag focuses on protection; it is quite For coats and underwear; all liner bags do not have a uniform size, they must be customized according to the size of the notebook.