Each bag holder includes a roll of waste bag. These dog or cat waste bags are made of PE material, safe and reliable to use, good bearing capacity and leak-proof performance, durable and thick, never worry about your hands when you pick the poo up. The holder of bags are compact and lightweight. Each dog poop bag holder also features a carabiner clip that allows attachment to a leash or day bag in seconds. Place pet litter scoop content in the bag, tie it up and throw it in the bin!