Roland CB-B49D Black Series 49-Note Deep Keyboard Bag A lightweight and durable gig bag designed for deep 49-note keyboards and synthesizers. It features a rugged 600D polyester and ripstop nylon exterior with thick internal foam padding and a soft fleece lining to shield your instrument from impacts. The bag is equipped with reinforced handles and padded straps that allow for carrying over the shoulder or in a backpack style, plus a large front pocket for accessories.