Size: 3. 4*1. 6cm Material: alloy + rhinestone + pearl + color retention plating color Material explanation: Environmentally friendly color-preserving electroplating, thicker than normal ordinary electroplating, more glossy and textured, and longer-lasting color retention. Do not touch water or chemicals (cosmetics, perfume, etc.) during wearing, keep it dry and seal it when not wearing. Reminder: ear needles/hooks are easy to deform. If you receive a bent needle, just straighten it gently. There is a slight error in manual measurement, please refer to the actual product.