【Large-Capacity & Long-Lasting Direct-Flow Ink】Each marker contains an extra-large 6.6g of high-quality water-based acrylic pigment, lasting up to 3X longer than standard free-flow markers. Available in vibrant sets of 36 colors, they are perfect for large-scale canvas art, murals, and big projects, allowing for uninterrupted creativity without constant refills. 【No Bleed-Through & Multi-Surface Compatibility】Free-flow water-based ink prevents bleed-through to keep paper backs clean and pristine, while offering exceptional coverage and uniform application. These acrylic paint markers work beautifully on a wide range of surfaces including paper, canvas, wood, glass, ceramics, fabric, plastic, metal, stone, resin, terracotta, seashell, nails, leather, and more. 【Automatic Ink Control & Visible Ink Window】Our brush tip acrylic paint markers are equipped with an innovative automatic ink control system for stable, even ink flow ideal for both fine details and broad strokes. The transparent ink window provides a clear, real-time view of remaining ink, so you always know when to restock and stay focused on your artwork without interruptions. 【Premium Brush Tip & Ready-to-Use Design】No priming, shaking, or pressing required—just uncap and create. The ultra-soft, flexible brush tip allows you to create adjustable lines from 0.3mm to 6mm by changing the angle, with smooth transitions between line widths. For optimal performance, store horizontally with caps tightly closed to preserve ink quality. 【Safe, Non-Toxic & Ideal Gift Choice】ASTM D‑4236 certified, non-toxic, low-odor, and eco-friendly, safe for users and the environment. It’s perfect for classrooms, studios, beginners, and professionals alike—an ideal choice for home craft nights and creative projects. Beautifully packaged, these acrylic paint pens make an excellent gift for birthdays, Christmas, Halloween, Easter, Thanksgiving, New Year, Valentine’s Day, and other special occasions for family, friends, and creative professionals. HOTU Brush Tip Water-Based Acrylic Paint Markers (36 Colors Optional) HOTU Creative Brush Tip Acrylic Markers, featuring a professional water-based acrylic formula and user-friendly design, are the ideal companion for artistic creation and DIY crafts. Whether you are a seasoned creator, a craft enthusiast, or someone seeking a unique gift, this practical and stylish marker set effortlessly meets diverse creative needs and unlocks endless artistic possibilities. Key Advantages to Elevate Your Creation Experience - Extra-Large Capacity Ink for Long-Lasting Use: Each marker contains 6.6g of ink, with a service life about 6 times that of ordinary markers. No frequent replacement is needed, easily supporting large-scale creation or long-term use with excellent cost performance. - Ink Visibility Design for Clear Remaining Quantity: Equipped with an ink level window on the pen body, you can monitor the remaining ink in real time, make replenishment preparations in advance, and avoid the embarrassment of ink running out during creation. - Soft Elastic Brush Tip for Flexible Stroke Control: The tip is soft and elastic, allowing flexible switching between fine outlining, wide-area coloring, calligraphy strokes, smooth cursive writing and other strokes. It balances detail depiction and large-area creation, suitable for diverse scenarios such as calligraphy, illustration and bullet journaling. - High-Saturation Colors for Long-Lasting Vividness: Adopting a high-concentration pigment formula, the colors are rich and intense, showing clearly on both light and dark surfaces, keeping works vivid for a long time. - Precise Ink Control for Clean Creation: Equipped with an automatic ink control system, the ink flows smoothly and evenly without smudging or leaking, achieving a neat coloring effect on various materials. - Ready-to-Use for Convenient Efficiency: No need to shake in advance or add water for debugging; just uncap and create immediately. The ink dries quickly and can be easily washed off hands, making cleaning hassle-free. - Thoughtful Storage, Ideal Gift Choice: Comes with a sturdy and portable gift box, keeping markers neatly organized without scattering, easy to carry for outdoor creation. It is also a high-quality gift for art lovers on festivals and birthdays. - Odor-Free Design for Safe Use: The water-based acrylic ink has no pungent odor, safe to use, with no discomfort even for long-time creation. Versatile Application Scenarios to Unlock Creativity This marker has strong compatibility, easily adapting to various materials such as fabric, ceramic, plastic, wood, paper, canvas, glass, metal and outdoor surfaces. It is widely suitable for multiple creative scenarios including coloring book filling (no bleed through paper), rock painting, glass decoration, wood graffiti, bullet journal layout, calligraphy creation, nail art DIY and scrapbook decoration. Notes: - The ink is non-permanent and may peel off or fade with long-term use or wa