These 2 assorted color square planters are versatile containers used for displaying and growing plants indoors. Multiple square planters of different sizes can be grouped together to create visually interesting displays, with the uniform shape creating cohesion while allowing for varied plant heights and types. Made of Stoneware. Has drain hole. Inner 6" L x 6" W, Main 4.75" W x 4.75" H. The key advantage of square planters over round ones is their space efficiency and modern aesthetic - they maximize growing space while fitting neatly into corners and against walls.