Keeper, 10 Piece, EPDM Rubber Strap, Assorted Sizes, Contains: 2 Each 19", 24" & 35", & 4 Each 14", Will Not Crack, Rot Or Lose Rebound Qualities, Corrosive Resistant, Low Temperature Resistant, Non-Brittle To -40 Degrees Fahrenheit, Sunlight, Ozone & Weather Resistant, Zinc Plated, Strong Steel Hooks Will Not Bend, Break Or Rust Under Normal Use, Poly Bag.