These are free form pebbles in frosted glass. We once did a huge business in them, and then the quality of the blanks deteriorated. It was very sad. The dark blue, red, purple and yellow peace pebbles were made before the big downhill slide. Unprinted, they are $2 per lb. The light blue and green are from after, and are not up to our standards for printing. The good thing for you, though, if you need pretty pebbles for your aquarium or potted plants, is that we are selling them for less than we paid for them, $1 per lb. We have a few very pretty prototype printed pebbles (say that 10 times fast!) we are selling here for 50 cents each. Act fast if you're interested!