On Stage Series 4550 Guitar Bag The stylish 4550 Series Guitar Bags are made from a durable nylon material and the series includes a bag to fit either electric, acoustic, classical or bass guitars. Features include rugged 600-D nylon material which repels rain and is easy to clean, interior liner, heavy-duty 2-pull zipper and a front zip pocket to carry pics or replacement strings. Use either the two carrying handles or the removable padded backpack-style straps to carry your guitar with ease!