Product Features:Mini pack version (1 in. x 4.9 yds.) dispenses two strips of 3M Dual Lock Reclosable Fastener SJ3560Great for small jobs, storage and easy dispensingClear, interlocking mushroom-shaped heads (250 stem density per square inch) provide strong, reliable and durable fastening that can be opened and closed multiple timesMates with Type 170, Type 250 or Type 400 stem densities to provide different strength combinationsClear acrylic tape bonds well to a variety of substrates including metals, glass and plastics such as acrylics, polycarbonate and ABSStrong fastener secures with an audible snap, verifying closureAn alternative to screws and bolts, this hidden fastener provides a snug fit and smooth aesthetic appearanceFeatures good temperature resistance of 220F (104C)Best suited for indoor and outdoor use