So you’re looking to jazz up your plain Jane white vinyl fence posts, huh? These New England style white vinyl post caps are either 4 inches x 4 inches and 5 inches x 5 inches - the perfect fit for whatever size your vinyl fence posts are. They are simple, but will add a finished look to your vinyl fence. They are even the perfect perch for little birds to stop on and play a tune for you. Easy to install, and made from high-quality vinyl.