Premium performance PSA nylon hook with acrylic tape and clear polyethylene film liner. 100 mil to 160 mil engaged thickness, 3.5 mil printed liner. 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