A unique rabbit-shaped ring featuring eyes designed with high-temperature thermochromic pigment. The color changes from black to light gray. The transition temperature is 31 degrees Celsius. The dark color at room temperature turns lighter at high temperatures. The color gradually changes when placed in the palm of your hand. Perfect for spring and summer, using thermochromic pigment (31 degrees Celsius). Amazing! The color of the resin accessory turns white when you're outside on a hot summer day!? The original dark color returns when you go indoors (around 20-23 degrees Celsius). - Design: Rabbit shape with distinctive eyes - Material: Resin - Style: Unique and artistic design - Color: Black → Light Gray - Size: Adjustable ring #HalloweenOnMercari Thank you for viewing.