The 6x6 Weatherables Vinyl Post Wrap is a white, cellular PVC product designed to enhance and protect existing structural posts for decks and patios. This 96-inch wrap allows for a DIY, low-maintenance installation by covering existing 4x4 or 6x6 wood posts, according to product listings. For more details, visit Amazon.com's best sellers . EASY, DIY FRONT PORCH COLUMN/POST WRAPS TUTORIAL!