Dual Lock Reclosable Fastener

3M Dual Lock Reclosable Fastener SJ3551CF, Black, 1 in x 50 yd, Type 400. Single roll.  

• Temperature, moisture and UV resistant.  
• Durable — up to 1,000 openings and closings before losing 50% of original tensile strength
• Interlocking mushroom-shaped heads have 5X the tensile strength of hook-and-loop products
• Pressure-sensitive adhesive easily forms a powerful bond