Caffeine Necklace | Structural Formula Necklace

Our theme is making science fun and approachable! Among our science-themed accessories, caffeine is a popular choice! This necklace pairs beautifully with the caffeine acrylic keychain. We've paid attention to the details of the necklace's end piece as well. The necklace is 50cm + a 5cm adjuster (adjustable). It can also be changed into a strap. --- ☆ Material Metal (Please be mindful if you have metal allergies) ☆ Size The necklace chain measures 50cm + a 5cm adjuster. ☆ Customization Options Changing the necklace chain to a strap Shortening the necklace chain Other modifications are possible. Please consult with us in the notes section. --- ※ As this item uses metal components, those with metal allergies and concerns are kindly requested to refrain from purchasing. ※ As this is a handmade item, each piece may vary slightly in size and shape. We appreciate your understanding. ※ If natural materials are used for parts, there will be individual differences in size, shape, color, and pattern.