This listing is for Planetary Pendant. You may purchase them individual here or you may also purchase a full set by going here. There are 12 planets to choose from, 2 styles and 4 sizes. Please see the first image and 4th images for your style & planet choice and the 2nd and 3rd images for sizes (2 inch, 1.75, 1.5 and 1.25 inch). Each pendant comes with an 18 inch black cord necklace that can be adjusted to 20 inches. They are made of alder wood and are 1/8" thick.