Sovereign Mailbox Post. Our handsome mail posts are as durable as they are stylish, providing proud service no matter the weather, season after season. All are made of cedar and stained white. All mail box posts are of sufficient length to allow for up to a 30" burial. Mailbox not included. Made in the USA. Dimensions: 5.5" L x 5.5" W x 84" H; 44 lbs.