Opaque acrylic primer for magnetic surfaces. After drying, the primer is water-resistant and light-fast and can be painted with Marabu painls. Suitable for walls, paper, wood, MDF, metal and canvas frames. For painting. Apply undiluted. Several coats (3-4) increase the magnetic effect. The coverage of 225 ml is approx. 0.75 m² for 4 coats on lightly absorbent surfaces.