A garbage bag is a container typically made of plastic that is used to collect and hold various types of waste materials, such as trash, rubbish, or refuse. It helps to keep the surrounding area clean and organized by providing a convenient and hygienic way to dispose of unwanted items. The combination of "🗑️" and "💩" in the description represents the association between the garbage bag and the act of discarding waste, including unpleasant or undesirable substances.