Here's a little more information about each of the items included in the Rupes BigFoot Polisher Mark II 21 Starter Kit. You can click the link to visit the product page for a full description:
Rupes BigFoot Random Orbital Polisher (MarkII 21MM) - achieve professional polishing results in far less time
Rupes Yellow Polishing Foam Pad (7") - remove light imperfections from your paint with ease!
Rupes White Finishing Foam Pad (7") - bring back that deep glossy finish safely and easy!
Rupes Green Medium Foam Pad (7") - remove moderate to light imperfections quickly and easily!
Lake Country Snappy Clean Boost Pad Cleaner - a citrus degreaser designed to help release product and contamination from foam pads