Labels are designed for permanent applications in severe indoor or outdoor environments. Special acrylic adhesive adheres strongly, making marker removal difficult. B-946 premium outdoor grade vinyl has superior abrasion resistance and strongly adhering ink system minimizes the effect of accidental scratches and scrapes. - Permanent cold temperature pressure-sensitive acrylic adhesive adheres strongly, making marker removal difficult. Labels are resistant to chemicals, oil, grease, water and mild solvents. Labels are black on yellow.