3M™ Dual Lock™ Reclosable Fastener SJ3223 is a black, polypropylene reclosable fastener roll good with non-woven backing. This fastener is available in a number widths and has a stem density of 250 stems per square inch.
3M™ Dual Lock™ Reclosable Fastener Rolls Goods with a Non-Woven Back utilize a polyolefin non-woven loop backing to facilitate attachment with hot melt or liquid adhesives to substrates.