No adhesive, nylon loop reclosable fastener, temperature resistant to 250 Degrees F., 100 mil to 150 mil engaged thickness, black. 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