... pen Item No.PE-00028-1SizeLength 16-21cmMaterialEco-friendly PVCColorpink,blue,white,green,yellow,red,black,as per pantone colorFunctionKids gift ... automatic power off after 15 to 30 seconds LED colorRed, Blue LED colouruseDurableBatteryhad including the battery, flashing 3000timesCertificateConform to RoHS, ASTM ...