Material: silver Metal material: 925 silver Inlay material: not inlaid Color classification: US size 6, inner circumference of about 51.8mm, US size 7, inner circumference of about 54.4mm, US size 8, inner circumference of about 56.5mm, US size 9, inner circumference of about 59.5mm, US size of 10, inner circumference of about 59.5mm About 62.1mm US size 11, the inner circumference is about 64.7mm
