This unique pergola arbor is easy to assemble and includes four 16 inch steel ground anchors for easy, long lasting installation. The Wellington Arbor measures 85-Inch high, 41-Inch deep and 72-Inch wide with walkthrough width of 50-Inch. The Wellington Arbor is constructed with 2 inch square posts, making it strong enough for all vines or climbing plants and durable enough to survive even harshest weather conditions. Made with the highest quality PVC vinyl, this arbor is completely maintenance free. The high quality PVC vinyl contains the highest concentration of titanium dioxide for the strongest UV sunlight protection. Buy with confidence, all Dura-Trel products are backed with a 20 year warranty guaranteeing your trellis will never delaminate, crack, peel, fade or discolor in any way. Once assembled and installed in your yard, the only maintenance ever needed is a simple spray with a garden hose and wipe clean.