These are half inch wide clip on type Bangles suitable for all ages. The actual sizes are 2.2, 2.6 and 2.8, but since this is open type with spring, medium (SKU 05IN-206) size can be worn by dancers of any age. Sold in pair. The size 2.2 is the smallest size which is suitable for children 10 and under only. These bangles are suitable for Belly dancing too.