Abstract: A fastening device suitable for retaining a power cord, speaker cable, tubing or the like in bundled or coiled form is made of Velcro.TM. materials. An elongate base strip has one face covered with hooks. Three Velcro.TM. fastener segments are adhered to the opposite face of the base strip, one segment adjacent to one end of the strip, another segment adjacent to an opposite end of the strip, and an intermediate segment. The intermediate segment and one end segment are formed with complementary hook and fibrous loop fasteners which permit the fastening device itself to be secured, for example, to a power cable. The remaining end segment is formed with fibrous loop fastening material. When the power cable is bundled or coiled, the remaining segment of fibrous loop fastening material is engaged with the hooks covering the opposite face of the base strip at a location which accommodates the size of the bundle or coil to be secured.