and the different price depends on the different quantity.
the price is competitive,
full lining
  withsilver trolley system with push button
  two wheel
PVC protection at bottom of back side
color:Black ,Red,Navy,Grey.
522sets for 40 feet container
quantity:252sets for 20 feet container
export carton size:47x32x74cm
size:50X35X17cm,60x40x20cm,70x45x23cm
3pcs trolleycase set with expandle,
600D Polyester
  600D Polyester
  3pcs trolleycase set
  with expandle,full lining
  with silver trolley system with push button
  two wheel
| Caster: | Built-in | 
| Outside Material: | Polyester | 
| Usage: | Travel | 
| Handle: | Handle | 
| Inside Material: | Polyester | 
| Style: | Trolley Cases | 
| Material: | PVC | 
| Type: | Carry-On |