About this item 【8 Glitter Colours】Outline Markers include 8 different colors containing shimmering ink. Unique technology produces outlines for you automatically to create a beautiful dual-color effect. 【Easy To Use】: You simply shake the outline pens first then press down a few times to activate the ink flow. For Best Results, Re-Cap the marker pens Immediately After Use and Store Horizontally. Ink is suitable to use on light color cardboard papers 【Wide Use】: Outline Markers Pens for Art, Drawing, Greeting Cards, Craft , Posters, Painting,Rocks,card making, eggs to decorate, make car parade posters .are great outline markers for any application! 【Safety 】: Ours markers In line with the safety standard, which features ultra-fine nylon nib, quick-drying, ,safety,anti-fading, environmentally-friendly. our outline markers is suitable for all ages of people to use safely, we suggest children under 3-years old should be used under the supervision of an adult 【 Warm Tip 】: Be cautioned that it will bleed through any regular paper, even heavy weight paper. It bled completely through 65lb index card stock, but was fine on extra-smooth 80lb cover stock. Works best on card stock or poster board.