Enjoy watching roots grow on your plant cuttings in the clear test tube of this Round Propagation Station. The minimalist design blends well with many decor styles, and they look great in groupings to create a statement piece. Made from mahogany plywood and a clear, plastic test tube. Lightweight for easy hanging. Wooden Test Tube Holder: 3 in. tall x 3 in. wide. Plastic Test Tube: 5.5 in. tall x 1 in. wide. Total Height Assembled: 6.5 inches tall. For indoor use; keep wooden parts dry.