Includes 12 opaque colours with dual ends: broad and fine tips. Water-based ink creates vibrant, crisp linework and colouring . Great for hand lettering, journaling, art, illustration and craft projects. Dries quickly to a semi matte finish. Permanent on porous surfaces and removable from non-porous surfaces like glass. Suitable for canvas, ceramic, glass, plastic, concrete, stone and more. Offers fuss free creating, just recap pens after use. Non-toxic.