Down under plant caddie. Constructed of UV resistant plastic. It has five high quality, durable nylon and steel wheels and one locking caster to keep caddie securely in place. Available in black color. Measures 16-inch. This down under plant caddies will support and move up to 500 pounds with ease. It has five high quality, durable nylon and steel wheels and one locking caster to keep caddie securely in place. Constructed of UV resistant plastic. Available in black color. Measures 16-inch.