... and sewing technology as the foundation This is a laptop backpack.From the wholely look, the main material is 600D Ripstop ... air mesh with Elastics (side pocket) 6. Plastic Ladder lock (straps)Our company is named Nan'an Jingsheng Bags Co.,Ltd ... professional manufacture.We also privide and be good at making: Backpack,Traveling Bag,Canvas Bag,School Bag,Women Bags and etc ...