The listing, Java Moss has ended.
This easy aquarium plant will grow in practically any lighted tank, although I would at least give it a compact fluorescent bulb for richer brighter color and dense growth. In very very low light it will be thin and more of an avocado color, but it's still nice looking.
Let it grow freely or train it onto wood, rocks, etc,.. and sculpt it any way you want. Makes a nice carpet or grow it up the back wall.
It's very versatile and fun to work with.
It seems to grow slowly at first, but after 6-8 weeks it will be spreading everywhere and you'll wonder, "When did THAT happen?".
It can be invasive but it's easy to control. Just yank out a few handsful and trim with scissors for a nice groomed look.
It helps keep algae levels down and protects fry from being eaten.
You will get a small standard size clump like you see pet stores selling for about $7.99.
It is PLENTY to get you started, as it will soon double, quadruple, fliptupple, etc,...
Aquariums are harder to photograph clearly than you might think, so yes, I've yoinked photos off the internet. But Java moss is Java moss. That's what it looks like.