A garbage bag, bin bag, rubbish bag (British English), bin ash bag (American English) or refuse sack is a bag that can be thrown away. It can be used to contain solid waste. Most garbage bags today are made out of plastic. They are usually black, white, or green in color. Plastic bags are an easy and clean way of handling garbage. Plastic garbage bags are fairly light. They are useful for messy or wet rubbish. They are also used for wrapping up garbage to reduce it's smell. Plastic bags are often used for lining waste bins.