PU Shoulder Messenger Bag Book compartment with ziper pocket OEM factory with silk-printing Your ... in 2-10 hours PU Leather School Shoulder Sling Book Bag,Shoulder Sling Book Bag,PVC Messenger Bag Specifications:Model No.:DC ... Advantage: 10,000 square of factory.Including cutting room,material store,production workshop,silk-printing workshop,embossed workshop,showroom,development ect ...