Our 3-outdoor flower pots come with a square top, a tall build, and a geometric surface for a modern look. Together, they make a practical accent piece that helps grow longer-rooted plants. Stackable Planters when you're done growing for the season, or you need to move, our patio planters can be stacked, making them easy to transport and store. Stop worrying about waterlogging the bottom drainage holes on our garden pots remove excess water, managing moisture levels to stop soil from oversaturating. With a chic, modern shape and painted magnesium oxide, these plant pots endure outdoor conditions year round yet are stylish enough to be indoor planters. Color: Gray. Material: Concrete.