You are buying 1 Bamboo stick covered with Java moss. The bamboo stick measure approx. 8" long and is approx. 1/2" to 3/4" wide.
Java Moss does not require any special attention. It accepts all kind of waters, even weakly brackish, and all kind of light qualities. Java Moss grows best at 70 to 75 degrees Fahrenheit. It is a low light plant and makes a great foreground plant. Java moss is a slow starter until it has established itself. It is especially popular among aquarists raising fry (baby fish), to protect them from cannibalistic adults. Java Moss can be easily propagated via division. It is suitable for both aquariums and vivariums.