UltraDeck 4 x 4 x 78" Composite Fence Post Sleeve at Menards
Designed to slide over a 4 x 4 post not included Authentic wood grain appearance without the maintenance; Made of polyethylene and recycled wood fibers; No splitting, warping, cracking, rotting or insect damage; Lasts and lasts - saves money and time; Easy as working with wood - no special tools required