15MM Jumbo Markers 1. Shake the markers before opening the cap. 2. Push the nib vertically to release air (First-time use) 3. Press the nib until the ink is already slowly full all nib. 4. Remember to put the cap on after each use. In case the Ink dries out. Whether you're a professional artist or just starting out, this 12-pack of 12-color 15mm jumbo chalk markers is an indispensable companion for your creative art and craft projects. Each marker is filled with high-quality chalk ink that delivers vivid, long-lasting color, making your artwork true and vivid. The jumbo 15mm tips provide a wide range of creative possibilities, allowing you to switch effortlessly between broad and fine strokes. This set includes 12 rich and vibrant colors, ensuring your creations burst with life and creativity. These markers are incredibly versatile and suitable for various surfaces, including canvas, paper, stone, glass, and ceramics. Let your imagination run wild with endless creative opportunities. Not only are these markers the top choice for professional artists, but they are also perfect for students, hobbyists, and DIY enthusiasts. Start your creative journey today by adding this 12-pack of 12-color 15mm jumbo chalk markers to your cart.