A thoughtful pair of serotonin molecule 18G screw back earrings with a clean science-inspired structure and polished finish. The delicate molecular design is often associated with balance, calm and emotional wellbeing, making them a meaningful piece for psychology, neuroscience, chemistry and STEM lovers. Secure with 18G screw backs, they are comfortable for lobe piercings, cartilage piercings and everyday curated ear styling.