With 51 Ohuhu popular colors available for refills now and more on the way, your creativity knows no bounds. Say goodbye to unsightly splotches and uneven coloring. Ohuhu high-quality ink seamlessly blends to create beautiful, professional-grade artwork, perfect for both beginners and experienced artists. From coloring books to professional masterpieces, our brush markers will breathe life into your artwork. Details: • Available in multiple colors(48 vibrant colors + 1 colorless blender) • Dual tip(brush and fine) • Refillable ink • Seamlessly blending • Easy identification, organization & portability