NWT Pineda Covalin Leather Silk Monarch Butterfly Clutch Purse Bag Stunning clutch in supple black leather with silk embossed monarch butterfly print. brand new with tags. Measures 10.5” x 6” This bag is a work of art from designer Pineda Covalin based in Mexico City. The Design Is inspired by the monarch butterfly. The butterfly symbolizes the soul, fire and movement, concepts that were reflected in literature and archaeological pieces in Mexico.