The Ter Steege planter from the Cera-mix collection is made from synthetic material, making it sturdy and lightweight. The material of this planter is also recycled, making the product a sustainable choice. The structure of the planter is smooth and the finish is matt. This planter is designed for outdoor use and is frost resistant, so it can remain outside during cold periods without being damaged. There is a drainage hole in the bottom of the planter, allowing excess water to drain away easily.