Versatile: Can be used on various surfaces such as rock, wood, fabric, glass, and more. Perfect for crafts: Ideal for making Christmas cards, birthday cards, signs, and decorations. High-quality ink: Smooth flowing and quick drying, safe for kids and teens. Dual Line Contour Pen: Automatically generates contours for a beautiful two-tone effect. Easy to use: Suitable for home, school, office, and sketching. Description: Introducing our Dual Line Contour Pen Set, available in 12 or 24 vibrant colors. Designed with innovative technology, these pens automatically generate contours, creating a stunning two-tone effect. The smooth flowing and quick drying ink is certified safe for kids, making it perfect for all ages. These glitter outline pens can be used on various surfaces such as rock, wood, canvas, fabric, glass, plastic, and metal. Whether you're making Christmas cards, birthday cards, or decorating Easter eggs, these pens are versatile and ideal for any occasion. With their easy-to-use design and high-quality metallic colors, they are suitable for home, study, school, office, and more. Enhance your creativity with our Fantastic Glitter Pens! Item Name: Marker Pens Material: Other Style: Modern Style Features: Contour, DIY, Bright Color Size Details: One Marker Pen: 13.2cm x 1.1cm(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 12 x Marker Pens or 24 x Marker Pens