A Zenport SH3222A 3-tier plant growing shelving station helps to maximize the growing space inside your greenhouse. The shelving station with 3 removable durable shelves that hold potted plants and seed trays is perfect for growing plants inside a greenhouse or on a sun porch. The greenhouse shelving system is constructed of sturdy green paint finish tubular steel and shelving with a green polyresin powder coat finish. Easy to assemble and take apart for storage. Self assembled shelving is 27-1/4 in. W x 19-1/4 in. D x 29-1/2 in. tall.