No matter how top-heavy, awkward or bulky the load, these multisized bungee cords keep contents secured. Natural rubber core is covered with fibrillated polyethylene, making it rotproof, UV resistant and long wearing. 10-pack contains two each: 5/16" x 24", 5/16" x 36", 3/8" x 24", 3/8" x 36" and 5/32" x 10".