Size: SM Dimension: 16″ x 16″ x 20″Open air aluminum screen cage! - Great for small species of Old World Chameleons, Juvenile Green Iguanas and other arboreal species of lizards, such as Geckos, Anoles, etc… - Large front door for easy cage access and bottom door for easy substrate removal. - Beautiful corrosion-resistant black anodized aluminum screen cage. - All hardware included; easy to assemble using only a screw driver.