Additional silicone jelly cups. Set of 4 cups

Need spare cups while orig. are in dishwasher?  Here's a set of 4 ea. reusable, pre-formed spare/extra jelly cups to fit all Paulson Products revolutionary 'Spiral birdfeeders'.  As usual the self sealing center hole will hold jelly, water or whatever fluid desired for your birding pleasure without leakage.  For immediate use.  Free shipping