Compared with ordinary container bags,Q-bags have the following advantages: 1. Q-bags can prevent from deforming after it is filled with goods fully. In general,Q-bags can maintain the shape of square and have regular after it is filled with goods fully. So it is very convenient for transportation and storsge ,particularly,it is suitable for storage with salver and can be full use of the space . 2. Compared with ordinary bags, the space availability of Q-bags will will raise 30%. 3. Q-bags have two kinds,shown in Fig . 4. The economy and safety of Q-bags can be seen in Fig ; 5. In general its size will be : 100cmí-100cmí-H; 105cmí-105cmí-H; 110cmí-90cmí-H; SWL: 500kg,1000kg,1500kg A dozen of ten