The Undesignable Market design flea market returns to Paris on Sunday, September 28, 2025, from 6.30am to 6pm. The event, featuring over 80 exhibitors from France and Europe, offers a selection of vintage 20th-century furniture, from iconic pieces to the smallest trendy decorative objects, to be discovered outdoors. Take advantage of a stroll along the Left Bank to come and hunt for your favorite piece!