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