Grow healthy plants anywhere in these durable, reusable containers. 15-gallon capacity is recommended for potatoes and squash. 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. Trusted by growers for over 30 years. Made of inert, porous, geotextile fabric. BPA and lead-free. Not compostable or biodegradable. Made in USA. 18" diameter. 13.5" tall. Media needed to fill: 1.99 cubic ft. Quantity: 1 pot. Other sizes and quantities also available.