Trimaco's Premium Masking Film makes painting cleaner, easier and faster! The.47mil light, yet durable plastic clings and protects most surfaces making it easier to mask-off hard to cover surfaces prior to painting or sanding. The Premium film is treated with a unique process that attracts paint overspray and also reduces flaking. Great for protecting windows, cabinets, doors, showers and bathtubs from paint drips, overspray or dust from sanding.