Caffeine Necklace, Molecular Structure Necklace

The theme is to make science fun and accessible! Caffeine is a popular item in our science accessory series! This necklace pairs well with our acrylic keychain featuring caffeine. We've also paid attention to the necklace end. --- ☆ Material Metal (please be aware if you have allergies) ☆ Size The necklace chain is 45cm + 5cm adjuster. --- ※ As metal parts are used, please refrain from purchasing if you have concerns about allergies. ※ As this is a handmade item, the size and shape may vary slightly for each piece. We appreciate your understanding. ※ If natural materials are used for parts, there will be individual differences in size, shape, color, and pattern.