Extreme Blue Plastic Masking Film, 16X350 Part #91162 . Extreme Blue Plastic Masking Film is a transparent blue, multi-layer, paintable plastic masking film that clings to substrates for protecting surfaces from overspray and other contaminants.. COLOR: Transparent blue. SIZE: 16' x 350'. Transparent blue. Multi-layer film for tear resistance. Exceptional adhesion of waterborne and solvent coatings. Specialty treatment for top coat adhesion. Clings to substrate. Solvent and prevents bleed-through. Easy to dispense box 91162 Prop65 information pending -