Thermochromic Temperature Activated Pigment Powder Heat Sensitive Color Changing Powder for Paint Resin Epoxy Art Craft Feature: TEMPERATURE ACTIVATED - This thermochromic pigment changes at 88?F (31 ?C) from colored to transparent (colored the temperature, transparent above) NON-TOXIC - This powder is safe for skin contact and uses no harsh chemicals (but not intended for consumption). Great for making color-changing , for , , Polymorph, and VERSATILE - This heat-sensitive pigment is perfect for a wide range of arts and crafts and mixes well with most mediums, paints, and resins. Make your own heat-sensitive mugs, secret messages, mood rings, , /goo, or whatever you can imagine HIGH QUALITY - This powder is ultra fine with vibrant colors EASY TO USE - Simply add pigment to a clear base and mix well. Keep in mind that mixing generates heat which may temporarily change the color of the mixture. It is recommended to start with a very small amount of pigment and add more until the desired color is achieved. A ratio of 1 part pigment to 20 parts base is a good starting point. Item Type :Thermochromic Powder Material： Powder Color:Black,Green,,Blue,Yellow,Orange,,Purple Size: 10g Per Bottle Bottle Size:5 x 3cm/2" x 1.2" More detailed,please see photo. Quantity:1 Pc. Note: Size for manual measurement, there may be a 0 to 3mm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Pc x Thermochromic Pigment .