12mm (1/2") Bulk Heavy Duty Bungee Cord– original Bungee Co
Marine Grade Shock Cord with 2 Carabiners - 6 Colors of USA Made Bungee, Stretch, and Elastic Cord - 1/8, 3/16, 1/4 Inch on 25, 50, and 100 Foot Spools (Black, 3/16 Inch x 50 Feet) - Amazon.com
Keeper Bungee Cord Reel, Marine Grade, 1/2 in. x 150 feet 6179 | Zoro