Outsunny offers extra large planters that make landscaping easy. With two sizes that stack into a convenient package， this set offers the modern， simple style of concrete with lightweight， easy-to-carry magnesium oxide. Set of 2: These two different sizes of stackable patio planters come in a square shape with a matte surface， making them an excellent accent for any deco. MgO Material: The material of our outdoor flower pot is MgO. MgO is short for magnesium oxide. Durable and lightweight， it doesn't mind UV light beaming down or rain. Water Draining: Stop worrying about waterlogging the bottom drainage holes drain away excess rain， managing moisture levels and keeping your flowers， tree， or plants comfortable. Very Large Versatile Planters: Offering form and function， our pots for outdoor plants give you a lot of room to really let your plants shine. Landscaping is easy with space to spare. Outdoor Planter Set Info: Larger Planter Dimensions: 11.75" L x 11.75" W x 21.75" H. Smaller Planter Dimensions: 9.75" L x 9.75" W x 17.75" H. Weight Capacity: 220 lbs. ， 154 lbs. No assembly required. Magnesium oxide Imported Request warranty information Your security is our number one concern