3 ring size sets (11 Cutters for each size)
Xsmall 5-6.5 (4pc)
Small 7 - 8.5 (4 pc)
Medium 9 - 10.5 (4pc)
Large 11 - 12.5 (pc)
They are the same size as the official ring size chart, each set includes the 7 outer shape cutters based on the size chosen.