Butterfly Gemstone Color Change With Temperature Necklace Butterfly Magic Emotion Feeling Mood Pendant Necklace Jewelry Feature: This color-changing pendant necklace features a temperature-sensitive stone that shifts color based on body heat. The stone reacts to changes in temperature, which may vary with body warmth. Different hues may appear depending on the surrounding or body temperature. Makes a thoughtful gift for ocns such as Christmas, Valentine's Day, Birthday, Anniversary, Wedding, Easter, and Mother's Day. Ideal for loved ones including partners, girlfriends, wives, mothers, and close friends. Warm Tips: Keep the product away from water. Prolonged exposure to water may affect the color-changing function of the stone. The stone is delicate; handle with care to avoid damage. Material: Stainless steel chain, thermochromic stone Color: Color-changing with temperature Chain Length: 50cm / 20" For more details, please refer to the product images Color: As shown in picture Quantity: 1 Piece Note: Size measurements are taken manually and may have a variance of 0–2 cm, which is considered normal. Due to differences in monitor displays, the actual color of the item may vary slightly from the image. Package includes: 1 x Necklace