Includes 12 stainless steel nozzles and one sturdy coupler, Made of stainless steel and plastic Can be washed and reused PIPING BAG SIZE - 23CM x 14CM - FOOD GRADE PLASTIC Nozzle Size - 3 cm Length / 1.5 cm Diameter, As per design size 2.8 cm outer diameter, 4.5 cm height Great for decorating cakes and desserts. These are extremely durable & safe. They are non-stick and Dishwasher Safe, Saving your time and trouble. Nozzles and Piping Bag will allow you to beautifully decorate in rose petal, swirled shell, Can be washed and reused.