You are buying a beautiful piece of Cholla covered with Pogostemon Helferi, also know as Downoi.
The driftwood (Cholla) will measure at least 2 x 5 inches and have six or more rooted Downoi plants.
POGOSTEMON HELFERI, also known as Downoi to most, is one of the most beautiful foreground aquarium plants. It is an easy stem plant to grow and propagate if you have the correct growing conditions.
Downoi will grow to 2 inches tall underneath high light but will increase slightly taller in moderate lighting conditions. It prefers a fertile substrate bed, at least moderate lighting, and some carbon dioxide to do well. Its growth rate is average for a stem plant.
Downoi forms many side shoots, which develop small roots, these side shoots can then be snipped off and replanted.