Available in US ring sizes 5 to 12, based on the standard ring size chart.
How to measure: wrap a thin strip of paper around the base of your finger, mark where it overlaps, then measure the length in mm. 49 mm = 5, 52 mm = 6, 54 mm = 7, 57 mm = 8, 59 mm = 9, 62 mm = 10, 64 mm = 11, 67 mm = 12. Between two sizes? Take the larger one.