Sturdy stretch cords with plastic-coated hooks on each end. Dozens of uses. Saves tying and untying. Will not loosen in travel. 1120-4352:Lengths: 2-30", 2-24", 2-18", 2-12", 4-10". 1120-0337: Lengths: 2-12", 2-18", 2-24". make sure all descriptions apply.