I love, love, love this! Such a beautiful update! Installation was easy! We used the existing 4 x 4 from the last mailbox, cut down the vinyl post with a liter saw and had to trim the post down with a jig saw then put the new one in place and added some screws to secure it in place then covered those up with the decorative bottom. The rest was easy, holes lined up perfectly and it was together in no time. Added some glue to keep the end caps secured. We do have a white vinyl fence in the backyard and around the garden so this was a perfect item to tie it all together and make it look much nicer.