The Josephine Convertible Crossbody Expandable Bag, versatile and fun, is one of our most popular bags. With an adjustable strap, this bag can expand or retract for different situations. Expand it for larger items, like a wallet, water bottle, phone, keys. Or retract it into the size and shape of an envelope, Features three convenient zipper pockets and a strap that can be worn in different ways: crossbody, on the shoulder, or even as a fanny pack! Best of all, it is lightweight and great for travel.