Handy Post 2, HP-1W2, 42-in H x 45-in W, Vinyl Mailbox Post Sleeve, White, 11 lbs

Supports (2) Mailboxes up to 11.5" wide each (mailboxes not included) Maintenance Free and Durable PVC (Vinyl) with Lifetime Warranty Fits over existing or new wood 4x4 (actual 3.5"x3.5") post or many no-dig supports Simple to install and will NEVER lose its white color The cross-arm is 26-in long across the upright. The vertical post and the height of the cross-arm is 42-in from the ground