High performance. Polypropylene backing reinforced with continuous glass yarn with stain resistant finish. Typical 380 lb/inch width tensile strength with aggressive high shear adhesive for heavy duty closure, reinforcing, and banding. Polypropylene backing is easy to handle and dispense and provides excellent resistance to nicks, abrasion, moisture and scuffing. Specially formulated synthetic rubber resin adhesive bonds with good initial adhesion, high shear strength, and excellent aging on package surfaces.