Mon-Fri, 9am-7pm; Sat, 10am-6pm; Sun, noon-6pm
B, D, F, M, N, Q, R at 34th St.-Herald Sq.
American Express, Discover, MasterCard, Visa
M&J's silk Jacquards are from France, its hand-cast metal buttons are from Italy, its beads are from Asia—and its customers include the likes of Donna Karan. Ribbons are 50 cents to $50, Swarovski rhinestones from $5.