"Engineered with a constant-tension heavy-duty bungee, The Perfect Bungee 9' ShockStrap Rachet Strap ensures superior shock absorption while maintaining consistent tension on your hooks. This special ShockStrap bungee is made of high-quality polyurethane that's resistant to chemicals, UV rays, oil, saltwater, fungus, and moisture, so it won't breakdown after a few seasons of use. All hooks, cams, and commercial-grade ratchets are yellow zinc coated for corrosion resistance that lasts up to 10 times longer than chrome plating. Extra-strong, 2""-wide polyester webbing straps and oversized zinc chromate wire hooks provide secure, damage-free connections. The Perfect Bungee 7' ShockStrap ratcheting strap boasts a working load limit of 2,000 lbs. and a 6,000-lb. break-strength rating. Mfrs. 2-year warranty. 2-pack. Engineered with a constant-tension heavy-duty polyurethane bungee Bungee resists chemicals, UV rays, oil, saltwater, and more Superior shock absorption and consistent pressure Yellow zinc coated hooks, ratchets, and cams Field-replaceable, commercial-grade ratchets Extra-strong, 2""-wide polyester webbing straps 2,000-lb. working load limit 6,000-lb. break-strength rating"