These disks or washer beads are inspired by the phaistos disk. Phaistos disk is one of the most famous greek mysteries of archaeology. It was discovered in crete and is dated to 1500 bc. The language it depicts is still undeciphered. When wearing this bracelet just know that somethings you don't understand are okay. Quality: 6mm oxidized 925 sterling silver washer disks. Fully adjustable by sliding on the toughest marine cord available. Handmade with love in Italy.