Specification Brand : Dual Lock ItemName : 3M (SJ3540-1"x50yd-Black) Reclosable Fastener SJ3540 250 Black, 1 in x 50 yd 0.23 in (5.8 mm) [You are purchasing the Min order quantity which is 2 Rolls] ItemPackageDimensions_Height : 2.8 inches ItemPackageDimensions_Length : 21 inches ItemPackageDimensions_Width : 20.9 inches ItemPackageQuantity : 1 ItemTypeKeyword : adhesive-hook-and-loop-strips Manufacturer : 3M Material : vinyl NumberOfItems : 2 PartNumber : SJ3540-1"x50yd-Black ProductDescription : 3M(TM) Dual Lock(TM) Reclosable Fastener SJ3540 has a rubber based adhesive on the back of a black, polypropylene reclosable fastner. 3M(TM) Dual Lock(TM) Reclosable Fastener SJ3540 has a 250 stems per square inch with a 0.23 inch engaged thickness. The closure life is 1,000 times. ProductSiteLaunchDate : 2014-10-14T22:07:07.578Z Style : Compact