1.Material:plastic, magnet 2.Length:8--20mm 3.Color:white, red... 4.Ink color:black, green, yellow, red... 5.Magnetic pen ItemMagnetic penMaterialPlastic, magnetLength8--20mmColorWhite, red, black...Ink standardnon toxic, confrims to ASTMD4236 and EN71 part3Ink colorBlack, green, yellow, red...SpecialMagnet on head Magnetic Pen