24 colors dual tip acrylic paint pens markers,water-based ink,can be used on almost any solid surfaces.such as stone glasses,cardstock,metal,wood,plastic,canvas, fabrics,ceramics,and more.High-quality opaque water-based ink,keep your artwork alive for a long time. The paint markers pen use upgraded cotton nibs,you don't need shake them before use,our acrylic paint pens can be used directly.Made of premium quality material,our acrylic paint marker pen can be used for decorative painting,and ideal for general craft and painting projects.TIPS:After use make sure to re-cap the Acrylic paint pen set and put the pens horizontally if you don't use them.