3M(TM) Adhesive Transfer Tape Extended Liner 920XL is a 1.0 mil, general purpose, extended liner, pressure sensitive acrylic adhesive transfer tape ATT with a densified kraft paper liner. Acrylic Adhesive 400 family. Used for pharmaceutical outsert attachment, general paper attachment, and for applications requiring a thinner liner. Use to seal flaps on poly-bags and envelopes. Pressure sensitive edging on business forms, literature, photos, posters, and labels.