Butterfly Gemstone Color Change With Temperature Necklace Butterfly Magic Emotion Feeling Mood Pendant Necklace Jewelry Feature: This color change pendant necklace is sensitive to temperature and may reflect changes in body temperature. As body temperature shifts, the gemstone can display different colors. Ideal gift for occasions such as Christmas, Valentine's Day, Birthday, Anniversary, Wedding, Easter, and Mother's Day. Suitable for loved ones including girlfriend, wife, mom, or best friend. Warm Tips: Keep the product away from water. The color-changing stone may lose functionality if submerged. Handle with care as the stone is delicate. Material: Stainless steel chain, thermochromic element Color: Color Changes With Temperature Size: Chain Length 50cm / 20" For more details, please refer to the images Color: As Shown in Picture Quantity: 1 Piece Note: Measurements are manually taken and may have a variance of 0-2 cm, which is considered normal. Due to differences in monitor displays, the actual item color may vary slightly from the image. Package Includes: 1 x Necklace