JEM Cupcake Filler Piping Nozzle A cupcake filler nozzle to use when piping jam and cream type fillings into cupcakes, doughnuts and eclairs/choux bun Perfect for filling cupcakes, doughnuts with jam or cream! Easy to use with a piping bag. How to use: Place nozzle inside piping bag and fill bag with jam or buttercream filling. Push nozzle down into cake and apply pressure to release the contents of the bag into the cake, gradually pulling the nozzle up to the top. Dimensions: 95mm (3¾\") (L)