Scotch Masking Tape 18mm X 55m Nat. 18 mm 55 m is a practical adhesive tape for offices, schools, commercial supply rooms and home workspaces. Autoadhesive easily tearable. 18 mm x 55 m. Key details: 18mm, 55m, 18 mm, 55 m. It supports everyday paperwork, packaging, labelling, displays, classroom projects and general office organization where a clean, dependable bond is needed. A strong choice for Canadian buyers who need reliable adhesive supplies for workplace purchasing, office essentials, school supplies or home office restocking.