You'll (probably) need:

• Paint mask/respirator (to keep out paint particles)
• Safety goggles/glasses (to keep out paint particles)
• 600 grit, waterproof sandpaper
• Paper towels (for cleaning and applying paint thinner)
• Disposable rubber/latex/vinyl/nitrile gloves (to keep your hands clean)
• Newspapers (to cover the ground)
• Wood blocks (to hold the fenders off the newspapers, and to keep the newspapers from blowing away or touching your drying fender)
• A large cardboard or plastic box to cover the fender while drying so dirt doesn't adhere
• Outside, no or little wind, sunny (so you can see everything clearly)
• Paint thinner
• Spray paint primer
• Spray paint color - I used Spa Blue from Rustoleum
• Clear coat - Rustoleum makes this
• Plastic Fenders

1. Clean fender with water. Dry fender.
2. Wipe down fender with paint thinner. Allow to dry - this won't take more than two minutes.
3. Sand the entire fender by hand. Make sure to move to new areas of the sandpaper to ensure the best contact between the sandpaper and the plastic.
4. Spray plastic primer spray. Follow the directions on the spray can, especially regarding multiple coatings (one coat should be enough) and timing. Cover with box.
5. After waiting the appropriate time (probably at least an hour), sand down the paint clumps and other imperfections. Spray these areas again. Cover with box and wait the appropriate time (yes, again).
6. Spray color paint spray. It doesn't matter which kind of spray you buy. Just find the color you want. Follow the directions carefully, especially those regarding multiple coatings (one coat should be enough) and timing. Cover with box.
7. After waiting the appropriate time, sand down the paint clumps and other imperfections. Spray these areas again. Cover with box and wait the appropriate time.
8. Spray clear coat. Again, follow the directions. You may want to apply more than one coat, but be sure to wait the appropriate time.
9. Cover with box and wait a week before using your newly painted fender.

Since I messed up on the white stripe, and I kind of want the fenders to look the same, perhaps I will design a decal that has a 6 pointed red star inside a larger 6 pointed white star.

1. paint thinner or use rubbing alcohol (which is isopropyl alcohol)

2. Rust-Oleum Specialty Plastic Primer Spray, color/item 209460 (also available in a liquid quart) look at this one 6x for 20.49, 3.42 each

3. A colored spray - I used Spa Blue from Rustoleum 600 grit sand paper wet sanding with a loose sheet need an apparatus to hold fender for painting

Sand between primer and base coat, and base coat and next coat

• Photoset on Flickr