The Dublin Arbor is a striking accent for your yard, garden or pathway. It is made of premium weather-resistant vinyl and is manufactured to create the look of wood without the traditional maintenance. You get the classic look of wood without the headaches. Just the occasional rinse with a garden hose is all you need to do to keep your arbor looking great year after year. Arbor opening is 42” wide and posts are 1.5” x 1.5”.