VEVOR Vacuum Travel Backpack, 80L, Expandable Vacuum Seal Compression Travel Backpack with Pump, with TSA-Approved Lock, Airback Vacpack, Water-Resistant Carry-On Suitcase Luggage, for Business, Black Large Capacity Vacuum Travel Backpack Reasonable Partitioning Expandable Storage One Backpack, Multiple Uses Widely Used Reflective Strips Effective Capacity: 80L,Vacuum Pump Pressure: >0.6 PSI,Color: Black,Item Model Number: cch005,Input Voltage: DC 5V 2A,Rated Power: 21W,Material: 900 x 900D Coated Fabric & PVC Leather