Bag is the title character in the puppet/animation series Big Bag. A sentient cloth tote bag with a mouth, Bag is of indeterminate gender, and is the best friend of Chelli. Bag helps Chelli to play and explore the world, often holding cardboard telescopes and other items inside itself. Though vocal, Bag only communicates through a series of squeaks and mutterings, at times reminiscent of Beaker.