Here's a little more information about each of the items included in the Meguiar's MT300 Polisher and Polish Kit. You can click the link to visit the product page for a full description:
Meguiar's MT300 Dual Action Polisher - extremely versatile buffer fit for pros and weekend warriors
Meguiar's Soft Buff DA Backing Plate (5") - high quality backing plates that work great with DA polishers
Meguiar's Ultra-Cut Compound M105 (8 oz) - very effective polish at cutting through deeper imperfections
Meguiar's Ultra Finishing Polish M205 (8 oz) - removes swirls and light imperfections on any type of paint
Meguiar's Soft Buff DA Foam Polishing Disc (5") - polishing disc that makes quick work of medium to light imperfections!
Meguiar's Soft Buff DA Foam Finishing Disc (5") - high quality finishing disc to remove light imperfects and leave behind an amazing finish!
Lake Country Snappy Clean Boost Pad Cleaner - a citrus degreaser designed to help release product and contamination from foam pads
This package comes with the pads pictured above, however you can customize your selection by specifying the color and quantity in the "Custom pad kit combination" field under the "Special Instructions" heading during checkout.