Description:Color change necklace is made of high-quality alloy and stainless steel, sturdy, durable, not easy to fade, comfortable to wear for a long time.The necklace color will change according to your body temperature. When degree below 14, it is black, and it will change to different colors when degree is between 14-38.This chain necklace fits with all kinds of outfits, and can be applied in any occasions, pretty peach heart love design will make you more attractive.The heart pendant of stainless steel medallion chains measure approx. 2.3 cm / 0.9 inches in length and the chains are about 50 cm / 19.7 inches long, long enough for wearing and a size for most people.A wonderful gift for your lover for Valentine's Day, or for your friends and family in special days, to show your love.Specification:Material: Zinc alloy, Stainless steelFeature: Temperature Color changeType: NecklacesSize Chart:Heart Pendant: 2.3x1.4cm/0.91x0.55inchNecklace Length: 50cm/19.69inchPackage Includes:1 Piece Mood NecklacesNote:1. Please allow slightly error due to manual measurement.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.3. Wish you a wonderful on-line shopping!