NBN stands for "No Brand Needed." The NBN Whitby Sling w/ USB Port makes the perfect daypack or travel companion. This sling includes a side USB port with cable for easy charging on the go and an adjustable shoulder strap with a zippered pocket big enough for your phone. Get extra features like a front zippered pocket, internal organization, premium vinyl lash tab and custom printed lining with this sling. Looking for a new way to showcase your brand This bag includes an oversized zipper pull available for decoration.