3M Dual Lock Reclosable Fastener SJ3550 use:masking stem density:250 black ... 3M SJ3550 Acrylic Adhesive Velcro Tape Colour Black Reclosable Fastener Material: polypropylene Use:maskingAdhesive:arcylicsize:1''(25.4mm width ... .Our company provide 3M products as follows:3M Double side tape(we can die cut the tape ... 3M4212,4215,4229P,4218P and so on.3.3M Double sided film tape: 9075,9080,9448,9672LE,9495LE, ...