Cyclo (72-340x2-2PK) Nanoskin Yellow Medium Grade Autoscrub Pad, (Pack of 2) This medium grade autoscrub pad (yellow) is perfect for surfaces that have moderate build-up of contaminants and older vehicles, or for use in warmer conditions (the rubber polymers are softer in warm environments and firmer in cool ones) Clay Alternative; works better and faster than manual clay Much longer lasting than clay, and with Cyclo machine application, much less labor required Has loop backing and attaches to Cyclo ProGuard orbital backing plate or rubber pad holders