Growsun 3-Ft 4-Layer Mesh Dry Net Steel Rings Foldable Heavy Duty Hanging Drying Rack Net Dry Net Dry Rack for Herb ,Flower,Hydroponic Plant and so on. Material:Environmental Nylon Mesh,Built-in Steel Wire Ring for Steadiness Size: Diameter 3 feet4 Layer Vertical Design, Make Full Use of Space Collapsible and Removable Shelves