This roll of 30 extra strong non-slip icing bags can be used with or without an icing nozzle, just simply measure the size and cut to fit your nozzle. These bags are recyclable making them a sustainable choice for your baking needs. They are perfect for all types of icing and can be used for piping other types of food. The bags are sized as 20 x 40cm and are ideal for creating beautiful icing designs.