["Color: Refills are the for shell color random delivery. If you buy more than one product, the colors may be different or the same\r\n\r\nbrand new and high quality\r\n\r\nFine tip marker is loaded with special ink that is visible only under UV light.\r\n\r\nIt includes a mini LED UV black light with batteries, so you can see your posts.\r\n\r\nLamp holder is a purple yanchao lights, writing can not see A picture with purple lights will be displayed\r\n\r\nStudents can use the pen mark important information for textbooks in order to get more efficient to complete the review of their classes.\r\n\r\nPerfect for your Registry Confidential Information.\r\n\r\nMain Material: Plastic\r\n\r\nStructure: The for shell, Small batteries, The sponge.\r\n\r\nStyle: Practical, for Creative Stationery.\r\n\r\nSize: 13 for cm (length)\r\n\r\nQuantity: 1 pc\r\n\r\nnote:\r\n\r\nAllow one or two inches of error.\r\n\r\nDue to the difference between different monitors, the for image may not reflect the actual color of the item. Thank you!\r\n\r\nThe package includes:\r\n\r\nInvisible Ink Fluorescent Pen x 1"]