Sterling Silver, Magnets, Glass, LEDs with Battery. 32.2mm*30.6mm*9.6mmInnovative and versatile, this ring features three distinct, detachable rings that can be worn individually or combined through a secure screw mechanism at the base. Crafted from premium materials, each band showcases a minimalist cube design, the wearer can freely combine and wear them in various ways, creating different patterns of light and shadow.