EXCLUSIVE AT NET-A-PORTER.COM. Bienen-Davis says its '4 AM' bag is inspired by the glamour of New York City nightlife - it's the kind any Studio 54 girl would party with. Handmade in Italy, it's constructed from black brocade with a shimmering croc-effect pattern in gold to match the frame. It unlocks to a vibrant satin interior and comes with a removable mirror. Slip your cell phone into the exterior concealed pocket.