Bags, and paper or cardboard apparatus, for collection and disposal of dog and other animal faeces and droppings; bags of plastics in the form of pouches; plastic bags for pet waste disposal; waste bags of plastic; bags of bioplastic for collection and disposal of dog and other animal faeces and droppings; bags of compostable plastic for collection and disposal of dog and other animal faeces and droppings; compostable bags; biodegradable bags; bin and tray liners of paper, cellulose, plastic, biodegradable plastic or compostable plastic, including liners for litter trays.