Brand N/A Quantity 1 piece(s) per pack Color Light yellow Material Glass Specification Can glow in the dark 10hoursjust need absorb the visible light for 10-20min; Non-toxic harmless free of radiation eco-friendly; More than 3 years use life keep it in the shade; Weight: 25g;.Application: paper ceramic wall wood glass plastic clothes lamp or other utensils; Galaxy DIY step: 1 clean the empty bottle 2 with equipped pen dip the painting brush into the pigments 3. dip on the wall of bottle lightly according to your imagine of Galaxy Packing List 1 x DIY empty bottle 1 x Pigment 1 x Painting brush