Opaque acrylic marker for any surface, style, and project - you only need one. The vibrant colors are matte, opaque, lightfast, water-based (Neon: semi-opaque, conditionally lightfast) and suitable for almost all surfaces. Intense, bright artworks are created with the fluorescent neon colors that glow in daylight and UV light. Particularly elegant designs are achieved with the matte metallic shimmering metallic colors. All colors can be blended, mixed, and watercolored while wet. Once dry, the colors are waterproof and can be painted over.