IMPROVED LOCK! The bracelet is available in 9 different sizes, length is including clasp. 16cm = 6.3 inch incl. clasp 17cm = 6.7 inch incl. clasp 18cm = 7.0 inch incl. clasp 19cm = 7.5 inch incl. clasp 20cm = 7.9 inch incl. clasp 21cm = 8.3 inch incl. clasp 22cm = 8.7 inch incl. clasp 23cm = 9.0 inch incl. clasp 24cm = 9.4 inch incl. clasp 25cm = 9.8 inch incl. clasp How to measure my bracelet size? - Measure your wrist - Take total circumference and add 2cm (0.8") extra (the extra 2cm (0.8") is needed to add beads the bracelet) - When your wrist measures 19cm (7.5"), we recommend a 21cm (8.3") bracelet The length of the bracelet depends on the amount of beads you would like to wear.