Joie Cosma Tank in Pink. - size M (also in S,XS) Joie Cosma Tank in Pink. - size M (also in S,XS) 100% silk. Dry clean only. Flounce hem. Exposed back zipper closure. JOIE-WS1623. 355 T5301. Headquartered in a loft in downtown Los Angeles, Joie is a women's clothing line catering to the savvy, fashion minded, modern woman. With the concept ?Casual, Comfortable, and Luxurious?, the designs are constantly inspired by the Southern California lifestyle and its laid back, yet sophisticated way of life. From their silk dresses that hang just right to their cotton tees you never want to take off, Joie has the lush wardrobe pieces you've been dreaming of.