This Unibond general purpose masking tape measures 38mm x 25m and gives excellent results. Masking tape is a type of pressure sensitive tape made of a thin and easy-to-tear paper, and an easily released pressure sensitive adhesive. It is available in a variety of widths. It is used mainly in painting, to mask off areas that should not be painted. The adhesive is the key element to its usefulness, as it allows the tape to be easily removed without leaving residue or damaging the surface to which it is applied.. High quality masking tape for professional results. For multi surfaces. Prevents paint bleed through. Clean removal and sunlight resistance for up to 3 days. Gives a sharp edge to paintwork