Lineco Linen Tape is an acid-free tape used as a hinge in framing paper artwork. 1.25 inch by 150 foot self-adhesive roll. Black. Use for joining the edges of boxes, adding a finishing touch to the edges of boards or hinging album pages. Your imagination is the limit, this tape can be used in a variety of creative applications. It can be painted over and written on by paint markers, it is professional quality and is pH neutral. The linen is a favorite for hinging window mats to backboard or attaching art. The very fine linen cloth is flexible yet strong. The neutral pH acrylic adhesive gains strength overnight. The woven cloth has a matte black cloth finish in several widths. This product is 1.25 inches wide.