Dimensions: 36W x 18D x 72H in.. 100% recyclable resin plastic construction. Black finish. Includes 5 tiers. Each shelf supports up to 150 lbs.. Weather resistant. Ventilated shelves prevent moisture accumulation. For indoor or outdoor use. Add storage space to your garage, shed, or pool deck with the Keter 18-in. 5-Tier Black Ventilated Shelving Unit. This durable unit is constructed from resin plastic that is completely weather resistant, making it a great choice for beach gear, pool toys, and other wet items. Ventilated shelves prevent the growth of mold and mildew.