I hand cut and polished this one of a kind, heart shaped focal bead out of recycled bowling ball. Measurements are shown in the listing title. It is side drilled with a 3mm hole. I have more in other colors as well! CHAIN NOT INCLUDED. Feel free to check out all the items here in my DVHdesigns Store and don't hesitate to contact me with general inquiries or about custom work that I could make and list for you. Thanks for shopping DVHdesigns!