This is a 40” piece of replacement gasket cord for your no seal form. This listing is for a single strand that is over sized and will need to be cut to fit ordering “1” will get you a 40” strand. “2” will get you 2, 40” strands, and so forth. These gaskets are press fit into place. Not glued. Please take your time fitting the gasket as this step is very important to ensure your form will not leak.