Coogert 48 Colors Dual Tip Acrylic Paint Markers,Fine Tip and Dot Tip Acrylic Paint Pens For Rock Painting, Canvas, Wood, Glass, Ceramic, Fabric, Plastic, Egg, Art Painting Supplies KitBrand: Coogert Color: 48 colors Features: [Ready to Use: No Shaking, No Pressing] Unlike traditional valve action markers that require constant pumping, our upgraded cotton core acrylic paint markers are ready the moment you uncap. Engineered for a smooth flow without the mess of leaking or clogging. Whether you're a professional artist or a hobbyist, this no shake, no press design ensures an instant, consistent ink supply for a frustration free