Post cap is made from a clear kiln-dried yellow pine treated lumber in our woodshop. Post cap is made for a standard 6"x6" post. Post cap has a smooth top to finish off the post. This post cap can be painted or stained with no waiting period. It is recommended to seal caps with an exterior product prior to installing. This will limit checking or cracking that could occur over time to sun exposure. Please visit our online store to see the full selection of post caps and tops. This item usually ships out in 2-3 days. Large orders may take 9-14 days.