... to another color when temperature changes. Color range: Grass Green, orange, yellow, purple, red, purple, blue, black, golden yellow, ... temperatures: 13/15/ 17/22/ 31/ 33/ 37/45/ 65 celsiusAttention1). Package: plastic bags with outer carton or ... on....... Product features: Bright color, temperature-resistance and solvent resistance, non-toxic and harmless.Temperature under 31 centigradeTemperature ...