... to inquiry2)UsageIt is suitable for automatic or semi-automatic shrink pack machines,plastic products,stationery,books,electronic products,PM3,VCD ... inquiry 2)UsageIt is suitable for automatic or semi-automatic shrink pack machines,plastic products,stationery,books,electronic products,PM3, ... the dimensions Step 2 : put the product in tha bag packing Step 3 : reclose the bag Step 4 : Bag contraction, ...