Who says a diaper bag has to look like a diaper bag? A spacious nylon baby bag from kate spade offers both on-the-go convenience and smart, cosmopolitan style. Built-in stroller loops, a fold-up changing pad and plenty of pockets are just a few of the elements that help you keep it together with Baby in tow. Style Name:Kate Spade Watson Lane Betheny Nylon Diaper Bag. Style Number: 5292778. Available in stores.