3M Dual Lock Reclosable Fastener SJ3540, Black, Type 250, 1 inx50 yd, 2 Roll/Case - 50 yd Length x 1" Width - 5 mil Thickness - Polyolefin, Nylon - Synthetic Rubber Adhesive - Temperature Resistant - For Indoor, Construction, Electronic, Furniture, Industrial, Packaging, Retail, Access Panel, Signage - 2 / Case - Black, White: