Backpack

Mixed colors ▸ Style configuration: multi-color mixed packaging ▸ Combination mode: random style and random color ▸ Basic Attributes: Uniform material standards ▸ Specifications: Standardized item size ▸ Packaging scheme: full box mixed structure (Note: After verification, there are no technical parameters in the original information, and the above is the basic specification framework derived from the characteristics of "mixed color mixing".) In fact, manufacturers need to supplement specific material/size/process and other hard parameters)