BRUSH & CHISEL, DOUBLE-TIP, DOUBLE THE FUN: Widen your artistic horizons with the dual-tip marker design! Choose the brush tip for sweeping, calligraphic strokes or quickly color in large areas with the wide chisel tip. What's more, now Ohuhu replacement brush tips is available, so you can easily replace the worn-out tips to ensure consistent and precise lines whenever you create. The only limit is your imagination REFILLABLE INK FOR A LIFETIME OF CREATIVITY: With 51 Ohuhu popular colors available for refills now and more on the way. Enjoy a wide range of hues and keep your markers going for years. Whether you're exploring the rich colors of Honolulu, Oahu, the Kaala, or the bold hues of Molokai Series, they are refillable now. Switch between sets seamlessly and unlock endless artistic possibilities. Elevate your artwork with Ohuhu markers, designed for a lifetime of creativity SEAMLESSLY BLENDING: Say goodbye to unsightly splotches and uneven coloring. Our high-quality ink seamlessly blends to create beautiful, professional-grade artwork, perfect for both beginners and experienced artists; Also, no more frustrating smudges or wet ink ruining your work. Our alcohol-based ink dries quickly, ensuring that your art is always clean, crisp, smudge-free, and ready to display 72 VIBRANT COLORS + 1 COLORLESS BLENDER : The rainbow is at your fingertips - choose from 72 brilliant colors and bring your ideas to life. The color spectrum is yours to explore with 72 brilliant shades to choose from, plus a colorless blender for better blending effects. From coloring books to professional masterpieces, our brush markers will breathe life into your artwork