This bag has multiple "issues" it has a detachable strap. 99.99999% of Kate Spade bags in general don't have detachable straps, and certainly no authentic Multi-Stripe bags have detachable straps. This thing has black fabric handles rather than brown canvas. It also has black lining. As if all that wasn't bad enough, it's also a rough textured canvas rather than smooth sateen. (Copied from site, removed the not so nice remarks they had written. Just wanted to let you know so you don't get in trouble for advertising and not putting it as not authentic.) The following website should help: http://ihatecounterfeitbags.info/rainbowbags