14 Stainless steel nozzles (dishwasher safe) PVC Coated re-usable cotton bag with pre-cut hole. Nozzle connection parts included This is the FULL set, you do not need to buy anything else (except the icing !) Nozzles vary in size but are approximately 1.8cm (Height) x 3.3cm (Circumference) OUR COTTON BAG COMES PRE-CUT FOR THE NOZZLE. BEWARE OF OTHER SELLERS THAT EXPECT YOU TO CUT THE BAG TO FIT THE NOZZLE