... appearing Invisible Stamp Pad and Pen Refill UV Ink:1. Invisible ink, is ideal for anti-counterfeiting and privacy protection ... wood, fabric, plastic, etc4. Can also be used as temporary tattoo ink,5. Good quality & Fast delivery,6. Non-toxic & Environmental ... friendly.Description:Invisible ink(for stamp)Items: CH-8001Color: blue,red,yellow,green.Packing ...