face adjustable mood round expression smiling ring, Silver

specifications 1.these mood ring has 12 color changes. 2.the ring can only change color by changing temperature, you can prove that by putting the ring in different temperature circumstances. 3.you can rub the ring back and forth with your finger and the color will change. 4.the ring will show the following moods: 5. quantity : 100pcs 6. material: silver tone metal 7. rings size: adjustable