These elegant square rain chain collectors have authentic concrete finish with visible pores make them beautiful contemporary pieces. The look and feel is true concrete but they weight substantially less than they look. They also have very smooth finish instead of rough concrete potters you might be used to. Their sizes are very generous and can hold a good amount of plants without looking crowded. They do have a more modern feel to them being straight lines and concrete. They would look great on apartment balcony or large backyard patio. In modern design, less is more. These square planters can be used symmetrically with trailing plants or in a variety of beautiful landscape designs. Made of lightweight concrete through an manufacturing process. This composite material has no ruber, plastic, and steel. This material has all the advantages of concrete such as strength, durability, weather and damage resistance. Materials involve cement and weather-resistant fiberglass. This material has strong UV resistant ability and stay well in wind, rain, hot and cold season. By adding fiberclay material, planters are much easier to move around due to its lighter weight.