Use this simple, yet effective Chain Cleaning Sponge with Fenwick’s Foaming Chain Cleaner.  It will transform the way you look after your drive chain, making the laborious job of cleaning your chain quick and easy.  The Chain Cleaning Sponge is made from heavy duty honeycomb plastic, with a unique v-shaped slot.  It may not look much, if washed out after every use, it will clean up chains time and time again.