Bag size 
 Capacity below 20L 
 Package internal structure ID bag, mobile phone bag, laminated zipper bag, zipper pocket, camera pocket 
 Open cover method 
 Applicable gender Neutral / male and female 
 Material: Polyester 
 Whether with lock or not 
 With or without rain cover 
 Function Waterproof, wear resistant, burden reduction 
 Processing method 
 Hardness: hard 
 Pattern 
 Custom processing: Yes 
 Style fashion movement 
 Lining texture polyester 
 Strap root number: double root 
 Popular elements 
 Lifting parts 
 Outer bag type 
 Bag shapes: square vertical section