(40) ea Keeper 06219 19, EPDM Rubber Bungee Cord Straps Will Not Crack, Rot Or Lose Rebound Qualities, Corrosive Resistant, Low Temperature Resistant, Non-Brittle To -40°ree. Fahrenheit, Sunlight, Ozone & Weather Resistant, Zinc Plated, Strong Steel Hooks Will Not Bend, Break Or Rust Under Normal Use, Bulk Pack.