Our inflatable boat fenders come in multiple bumper sizes & diameters. Perfect for personal watercraft (PWC), Wave Runners, and Jet Ski's. Great for docking, anchoring and boat tie-ups at private docks & professional marinas. Repair kit included. Bumpers come in both black or gray reinforced .90mm PVC, with 28 x 26 scrim. Our finished material is a coated 1000 denier polyester. Comes with 2 stainless steel D-rings with enhanced webbing connectors on the ends. All fenders have H3 quick inflation and deflation valve & pump nozzle. PSI rated at 3.5; PSI tested up to 42 pounds of pressure. All boat fenders come with a limited 1-year warranty.