Size: US size 8-11 available, width: 0.04inch Material: 925 sterling silver, Cubic Zirconia Simulated Diamond Quality: allergy free, nickel-free and lead-free; stamped with S925 ensures genuine sterling silver Ideal Gift: come packaged in delicate jewelry box, making it wonderful gift or easy storage Special Design: You can adjust its size; adopts sterling silver & AAA-quality CZ stones with meticulous cut grants more brilliant