Mifia's back to school series, especially back to school style book covers (book covering sleeves), which are our most famous items. The printed book covering sleeves or films are also very popular, thanks to perfect printing performance of our UV printing machine from Heidelberg, Germany. Mifia's back to school supplies like filing folders, book covers, pencil cases are made from different safe materials like phthalate-free materials and bear certificates such as Reach, ROHS, EN71. Since items like book covers are low valued, it requires huge capacity to ensure competitive prices. Our advantage is that we own lots of high efficient professional workers, as well as automatic welding machines, which ensures the capacity of Mifia's back to school supplies. On the other hand, our rich experience ensures the firmness for edges.