The Faber-Castell Multimark sky blue acrylic marker 140 185940 provides a clear, luminous, and completely opaque color for illustration and craft projects. Its highly pigmented ink adheres effectively to porous and non-porous surfaces such as ceramic, plastic, metal, and cardboard, without releasing strong odors. This sky blue permanent marker is the perfect choice for artists and students to create visual highlights and subtle details in craft projects.