Decorate and paint arts and craft projects with these acid-free, opaque, pigmented, water-based acrylic paint markers. The chisel tip markers have a 3-way chisel tip that can produce thick and thin lines. The Jumbo markers have a 15mm flat tip. They both work well on wood, plaster statues, foam projects, walls, paper craft, terra cotta and more. They are permanent when dry and odorless.