Americos Chemicals Private Limited Thermochromic Temperature 31ºC Activated Pigment Heat Sensitive Color Changing Powder (Yellow, 20 g)

Received the product well before the said delivery date. Gonna be using it for my Uni's annual summer festival and seems like great fun in this heat. Will be using it on t shirts and nail paint.I called the seller company and they helped me in how to use it.