Saddle-bag style Smart Pot® planters are designed to hang over railings and fences. Made from durable, breathable, weatherproof fabric. Unlike plastic plant pots, Smart Pot® fabric walls air-prune the roots, allowing more efficient moisture and nutrient absorption, while maintaining comfortable soil temperatures through evaporative cooling. Made of inert, porous, geotextile fabric. BPA and lead-free. Not compostable or biodegradable. Intended for outdoor use. Dimensions: Each side measures 16″ x 18″. Approximate soil capacity: 3 gal. Quantity: 1 planter.