Shungite is a rare, ancient mineral, estimates to be several billion years old, 98% carbon, contains small amounts of Fullerenes which is a microscopic, hollow, natural, pure carbon molecule, scientifically proven to protect against EMF radiation, heal the body cleanse and purify water.

Bead size is 10mm, approximately 7.5 inch centerline (if you're measuring your wrist, make sure to leave enough room for the bead size too).