1. Material: Grinded Oxford Cloth 2. Size: 26x19x43cm 3. Weight: 1 kg 4. Three-sided ventilation network, good sealing, air circulation, winter resistance to severe cold effect is better. 5. Internal space is large and will not be squeezed. 6. Magnet buckle, easy to use 7. Positive and negative bags can be placed in them. 8. Rubber sheets are added to the inner sandwich to keep the package upright. 9. Can slant shoulder back, more practical
