Material: Color: as the picture shows Package weight: Eight colors: 94g, Twelve colors: 140g Package size: Eight colors:9.5×13.5×1.5cm Twelve colors: 14.5x13.5x1.5cm The Journal Pen Is Made With Smooth And Flowing Ink, Ensuring Your Writing Stays In Place And Won't Or Fade. For Coloring, Drawing, Doodling And Writing, These Terrain- Outline Marker Sets Will Help You And To Your Artwork. This Glitter Marker Pen For Highlight Includes A Variety Of Unique Stunning Colors, And Outline Markers A Sparkling Shine To Your Artwork To Make It Stand Out. The Marker Pens Are For Use In Classrooms, Offices, And At Home, And Are A Great Addition To Any Stationery Collection. The Glitter Gel Pen Set Is An Excellent Gift For Artists, Students, And Anyone Who Loves To Express Themselves Through Writing And Drawing. These Outline Marker Pens Simply Shake It To That The Ink Is Fully Mixed. Then Take The Cap Off And The Tip Onto Your Surface. Keep Repeating This In A Pumping Action A Few Times To Activate The Ink Until It Starts To Flow And Circulate.