Mayne Posts Mayne Standard Mail Post, White, Mayne mail posts create a statement of pride and provide a warm invitation to retrieve your mail at the end of the drive. White decorative post molded from high grade polyethylene. Post sold as a separate component. Compatible with the Mayne Paper Holder & Planter Combo in White (MP5808W) or the Mayne Arm Plus in White (MP5830W). Low maintenance material with built in UV inhibitors. Installs over a standard 4x4"" wood post (not included). 15-year limited warrant...