Plastic Black dustbin garbage bags are fairly lightweight and are particularly useful for messy or wet rubbish, as is commonly the case with food waste, and are also useful for wrapping up garbage to minimize odor. Plastic Black dustbin garbage bags are often used for lining litter or waste containers or bins. Black bin bag/garbage bag/ trash bag is a disposable bag used to contain rubbish or the North American equivalent trash or garbage. Such bags are useful to line the to prevent the insides of the receptacle from becoming coated in waste material. Most bags these days are made out of plastic and are typically black in color.