Saguaro Cactus Concrete Hanging Air Planter for Air Plants &ndash; 5&rdquo;x16&rdquo; Planter is made of cast stone and ready to hang immediately Enjoy live plants without soil and little to no watering Tillandsia air plants attach directly to surface with adhesive; Comes with two air plants attached Hand made by expert, concrete artisan craftsmen Incredibly realistic bark pattern is painted with an eco-friendly stain