Features: 100% Brand new and high quality. Temperature color change butterfly clavicle chain necklace for your selection. Made of quality alloy, enameled butterfly pendant. Pendant colour will change according to your mood and the temperature of your body. Charming gift for yourself and your good friends. Specification: Type: Necklace Metal: Alloy Color: as the picture shows Chain Length: approx. 50cm Occasions: daily wear, ball, party, anniversary, prom, graduation, birthday or any special day. Package included: 1pc x Necklace Notes: 1 Inch=2.54 CM, 1 CM=0.39 Inch. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.