Use with Fenwick’s Foaming Chain CleanerFenwick's Chain Cleaning Sponge is a revolution in cleaning your chain, designed to be used with Fenwick's Foaming Chain Cleaner, it makes cleaning your chain quick, easy, mess free and you use a minute amount of product compared to any other method of cleaning - no waste!Specifically developed as a highly durable and cost effective alternative to cumbersome chain cleaning tools.