The Guangna 168 Acrylic Felt-Tip Pens set includes 72 vibrant and deep shades, perfect for artists, hobbyists, and craft projects. These pens feature a flexible and precise fine tip, making them ideal for detailed work on various surfaces like paper, wood, stone, ceramic, glass, and fabric. The durable and non-toxic ink dries quickly, is water-resistant, and safe for all users, including children. Keep your markers organized in the convenient and compact case for easy storage at home or on the go.