15 feet x 1" 3M SJ3540 RECLOSABLE FASTENER DUAL LOCK TYPE 250 1" X 15FT ROLL . Condition is New. Shipped with USPS First Class Package. SOLD FROM BULK ROLL. I have 100 feet available Black, interlocking mushroom-shaped heads (250 stem density per square inch) provide strong, reliable and durable fastening that can be opened and closed multiple times Mates with Type 170, Type 250 or Type 400 stem densities to provide different strength combinations Synthetic rubber-based adhesive bonds well to a variety of substrates including low surface energy plastics such as polyethylene and polypropylene Strong fastener secures with an audible snap, verifying closure IF YOU NEED TO CONTACT THE SELLER BY PHONE, PLEASE FOLLOW THESE INSTRUCTIONS: *FROM A DESKTOP COMPUTER, GO TO THE ITEM THAT YOU HAVE QUESTIONS ABOUT. *CLICK "CONTACT SELLER" LOCATED ON THE RIGHT SIDE OF THE PAGE, UNDER SELLER INFORMATION. *SELECT THE "OTHERS" OPTION. *CLICK "VIEW PHONE NUMBER".