12' X 400" 3M Masking Painters Plastic Film .31 High Density Professional-grade masking film designed for painters and contractors who demand reliable surface protection. This 3M product features high-density construction at .31 thickness, providing superior durability and tear resistance during demanding job sites. The generous 12-foot width and 400-inch length deliver extensive coverage, minimizing seams and installation time. Ideal for protecting floors, furniture, and fixtures from paint overspray, dust, and debris. The film's robust composition resists puncturing while remaining easy to apply and remove without residue. Trust this industrial-standard solution for commercial and residential painting projects where quality protection matters.