Ideal for supporting potted plants, gardening tools, small pallets of flowers, the STC EasyGreen Greenhouse Staging will keep you organize. This two-tier, four-section unit is constructed of powder-coated, rust-resistant aluminum and the slat-style tops won"t allow water to pool. About Systems Trading Corporation Systems Trading Corporation (STC) was incorporated in 1994 as a manufacturer and distributor of high-quality, innovative, easy-to-use products at affordable prices. The company is privately held, with a skilled professional staff. Among the products offered, you will find the most innovative line of TV and flat-screen wall and ceiling mounts, the USA"s best-selling backyard hobby greenhouses, the world"s best-selling robotic lawn mower, and mini coolers and mood light products. * 2-tier, 4-section staging unit for greenhouse use * Sturdy, rust-resistant aluminum frame * Powder-coated in silver to resist scratches * Slatted surfaces won"t hold water