... crystal powder.Average particle size range: 20~30um.Luminous color: Sky-blue.Free of dangerous, toxic, heavy metals, radiation. Friendly to ... vinyl bag, G.W. 1.15kgs, bag size: 180mm x 105mm x 20mm).Glow pigment, called as glow pigment, glow powder, glow ... in the dark pigments (glow in yellow-green, blue-green, sky-blue, blue-purple, red, orange, etc.)2. Glow in the ...