City Pickers patio garden kit. Self-contained growing unit includes aeration screen, water reservoir, fill tube, overflow hole that gives the growing plants the proper amount of air and water, and helps to alleviate root rot and mold that can occur in regular planters. Does not include fertilizer or growing media. The planter has durable UV-protected, resin casters. Contains a 2 gallon watering system. Size: 24" x 20" surface areas.