TRIXES 3/4 Size Acoustic and Classical Guitar Carrying Case Bag This bag fits all makes and models of 3/4 acoustic, 3/4 dreadnought and 3/4 classical guitars. This bag has a zip on the outside pouch to help keep your accessories safe. This funky guitar bag will protect your guitar from scratches and scrapes. Waterproof. Material/Colour: Black nylon.