This set of paint markers pens includes 12 colors for you to choose , it will bring you a great convenience of painting and give your art projects more creativity and variety. It can add splash of vibrant colors to any art projects. Vibrant colors do cover well and don't bleed, Smart Color Art acrylic markers run smoothly and work on most surfaces, allowing you to effortlessly write on ceramics, wood, canvas, stone, glass tyre and more! The oil-based paints dry very quickly, besides they are permanent, odorless, non-toxic and acid-free. Designed with 10mm tips, accurate and easy to control flow,just shake it before you use ,it will works better for painting and marking. Ideal choice of gifts for people who like to paint, scrapbooking, card making, art crafts creations. Specification: Material:Plastic Length Approx 122mm/4.8inch Tip Size Approx.10x6mm/0.4x0.24inch Package Includes: 1 Piece Permanent Paint Marker Note: Please allow Slight measurement error and color difference, thanks for your understanding!