This beautifully Built Arbor is made with #1 Kiln Dried and Pressure Treated Pine. It comes with ground anchors for easy install. Swing sold Seperately. Please view our Swings under Lawn Furniture to choose from our many swing designs. Inside measurement is 72" and Outside is 79" w/ a total from tip to tip of Arbor Top is 9'. Solid Straight 4x4 Posts