3M Hand-Masker Pre-Folded Contractor's Plastic CP9 is designed to be a durable and efficient solution for paint masking, particularly in single-coat paint applications. Ideal for patio/double doors, it is well-suited for both indoor and outdoor use, providing effective containment of dust and fumes. It is well-suited for both indoor and outdoor use, providing effective containment of dust and fumes. Saves time and money. 2743mm x 27m.