Scapa 1919 Desk Tape is a translucent cellulose frosted matte acetate film, single coated with an acrylic pressure sensitive adhesive. Used for splicing, office applications, and repairing and joining documents and drawings. Product benefits include: invisible once applied, can be written on, and non-yellowing adhesive. Compare with 3M Scotch "Magic Tape". On a 1 inch inner diameter core.