Materials used: Oxford cloth, nylon and polyester cloth of 300D to 600D are generally used, but the texture, abrasion resistance, color and coating will be different.
To determine the size of the backpack (backpack capacity), the size or capacity of the backpack is generally used in liters (L). Some countries are also accustomed to using cubic...
The carrying system of outdoor sports backpacks has a specific scope of application. Although the scope of application of adjustable backpacks is relatively large, it is not unlimited.
The backpack is ready, and the items that need to be brought on the road are also ready, but don't think that you can breathe a sigh of relief here. How to pack the bag reasonably is also very skillful.
There are no fancy patterns on it. Compared with wooden and plastic stationery boxes, iron ones are not easy to deform and damage. In addition, it is very practical and suitable for elementary school students.
Stationery box, a box that students use to store pens, pencils, rulers, erasers and other stationery. There are many types of textures, generally wood, iron, plastic and other products, with different shapes, mostly cuboid.