Net weight: 10 g/bag, 8 bags of different color. Usage Instructions: (1) Mixed up with glue or any other transparent adhesive substance(For instance:Crystal glue clear epoxy doming resin AB glue) before brush it onto the surface layers by layers or pour it into a preformed mold. (2) Expose it to any sorts of light for 1-30 mins, before put it into dark. (3) Much density much brighter, more intensive light much brighter.