High performance PSA nylon loop with rubber adhesive and white polypropylene film liner. 100 mil to 160 mil engaged thickness, 3 mil printed liner, white. It's as simple as pressing together and pulling apart. When your product calls for thousands of easy openings and closings, 3M ™ Scotchmate ™ Reclosable Fasteners pull through for your. Tiny, stiff hooks mesh with pliable loops for quick secure fa