Weatherables Imperial Vinyl Arbor, 96 by 88-Inch Assembled dimension: 88 in. W x 48 in. D x 96 in. H 30 year warranty against manufacturing defects True 2 in. x 6 in. headers and True 2 in. x 3.5 in. rafters with 4" x 4" white vinyl posts; decorative trim is included for the bottom of the posts Must use 4x4 treated post for in ground or concrete installation; Also purchase YMPM-CCMOUNTKIT to install on concrete No cutting required; UV stable product; no fading; chipping or cracking Detailed assembly manual included and toll free technical support