Features:Multi-Colors & Smooth Writing: Acrylic paint markers, 3mm/0.7mm tip sizes for option, 12/24/36 colors for option, smooth writing on various surfaces, ink uninterrupted. Suitable for graffiti, marking, painting and other forms of creation.Work on Multi Surfaces: Enjoy creating art projects on a variety of surfaces like rocks, stone, metal, glass, pottery, treated smooth wood, plastic, canvas, fabric, paper, card stock, terra-cotta, polymer clay and more.Bright Color & Safe to Use: Bright color and opaque, water-proof and sun-proof, fast drying, strong coverage, suitable for different writing materials with strong stability. Non-toxic, safe for use by children.High Quality: Simple and fashionable appearance, same cap and color, simple discrimination. Anti rolling, good air tightness, prevent ink volatilization. Ergonomic design, comfortable holding.Perfect Gift: Practical and good-looking acrylic marker, it is a great gift for children, students, adults, artists, painting lovers at Christmas, Halloween, birthday, children& 39;s day, Valentine& 39;s day, Thanksgiving, Party and New Year.Specifications:Tip Size: 3mm/0.7mm(optional)Color: 12/24/36 Colors(optional)Pen Length:3mm Tip: 143mm / 5.6in0.7mm Tip: 137mm / 5.4inPackage Size:12 Colors(3mm Tip): 22.1 * 14.7 * 1.8cm / 8.7 * 5.8 * 0.7in24 Colors(3mm Tip): 22.1 * 14.7 * 3.6cm / 8.7 * 5.8 * 1.4in36 Colors(3mm Tip): 14.8 * 10.9 * 10.8cm / 5.8 * 4.3 * 4.3in12 Colors(0.7mm Tip): 17.0 * 14.0 * 1.5cm / 6.7 * 5.5 * 0.6in24 Colors(0.7mm Tip): 17.0 * 14.0 * 3.0cm / 6.7 * 5.5 * 1.2in36 Colors(0.7mm Tip): 17.0 * 14.0 * 4.3cm / 6.7 * 5.5 * 1.7inPackage Weight:12 Colors(3mm Tip): 305g / 10.8oz24 Colors(3mm Tip): 570g / 20.1oz36 Colors(3mm Tip): 870g / 30.7oz12 Colors(0.7mm Tip): 173g / 6.1oz24 Colors(0.7mm Tip): 311g / 11.0oz36 Colors(0.7mm Tip): 475g / 16.8ozPacking List:1 * Acrylic Paint Marker Set