Icing piping bag with metalic nozzles ideal for making cakes, biscuit, cookies, chocolate, pie, etc. use and clean easily. smooth interior for squeezing easily, rough exterior, better for gripping. suit for any type of decorating tip. material: silicone+stainless steel. 8 pcs/set silicone kitchen accessories icing piping cream pastry bag + 6 stainless steel nozzle set diy cake decorating tips set.