07-18 Wrangler JK, 4-Door;Use part number S/BDS31-4 to install on Wrangler JK 4-Door models;4.5' wide x 4.5' long x 4"" sides;Textured black powder coat finish;Made from 16-gauge, fully welded, 1"" round steel tubing;Welded light tabs and aerodynamic design;Mounting system sold separately;California Residents: WARNING