PRICES MAY VARY. ❤Design❤ - Serotonin is a neurotransmitter that contributes to our well-being and happiness. It helps regulate our mood, appetite, and sleep patterns.This simple and elegant cuff serotonin earrings show your enthusiasm to science, Individual molecule design leads to a versatile fashion atmosphere, perfect for daily wear ❤Material❤ - Real 925 sterling silver, engraved with “S925”, great science jewelry for women, teens ❤Size❤ - earring size 25*10mm, thickness is 1.3mm…