1. Thickness PP cover: 0.6mm,inner pocket: 0.15mm 2. ... : 3.6kg/4.6kgCBM: 0.025m3 Sewn cloth edge for reinforcement,mesh back pocket with zipperProfessional Expanding Document ... company in the R&D, manufacture and selling of PP series office stationary. The product range includes, file folders ... clear books, card cases, pencil cases, pp tab dividers, gift boxes and pp storage boxes, etc We hold our own ...