These replacement foam inserts fit perfectly into the Jordco® EndoRing FileCaddy organizer - a unique bulk storage solution for all endodontic files. The foam is available in our patented Jordco Blue, Jordco Yellow, or a convenient Combo Pack with inserts in both colors. Each pack contains: EFCFB-s: All Blue Pack: 12 Jordco Blue FileCaddy Foam Inserts EFCFY-s All Yellow Pack: 12 Jordco Yellow FileCaddy Foam Inserts