Coupling Structure of Retractable Handle-Equipped Luggage

A coupling structure of retractable handle-equipped luggage, comprising:

• a luggage housing comprising an upper housing member and a lower housing member equipped with a retractable handle;
• a double open end zipper comprising a second zipper tape stitched to a rim of said upper housing member, a first zipper tape stitched to a rim of said lower housing member, a box affixed to each of two opposite ends of said first zipper tape, a pin affixed to each of two opposite end of said second zipper tape for mating with one respective said box and two zipper sliders mounted to said first zipper tape and respectively provided with a pull tap that is fastenable to a customs lock at said lower housing member;
• two detachable flexible buckles stitched to said upper housing member and said lower housing member;
• and
• a detachable hinge mounted to said upper housing member and said lower housing member between said two detachable flexible buckles enables easily fully separated and reassembled.