Hook and loop Velcro tie wrap:

3/4" x 15 Ft ( 5 yard Roll) Self-attaching hook and loop material, popular by the NASA ,  a fastener with hundreds of uses, almost anything you can imagine.  Use to wrap gear tight, bundle cords,  secure items, attach gear, repairs and more.  It's reusable , light weight and waterproof can be cut to needed lengths.