2" x 55 Yd White 3.1 mil Polypropylene Box Sealing Tape with Acrylic Adhesive is Used for box sealing. This 3.1 mil Polypropylene Box Sealing Tape with Acrylic Adhesive uses an Acrylic Adhesive application. With a tensile strength of 38 lbs/in., 3 mil thick tape features 25 oz/in. of adhesion and an elongation of 160%. 3.1 mil Polypropylene Box Sealing Tape with Acrylic Adhesive can also withstand temperatures ranging from -40? - 140? Fahrenheit.