POLYESTER DUAL-WEAVE REINFORCEMENT FOR SUPERIOR BURST PERFORMANCE. 15% MORE MATERIAL IN CORE FOR GREATER STRENGTH. OIL AND SCUFF RESISTANT OUTER JACKET. CRUSH RESISTANT LEAD-FREE COUPLINGS. IDEAL FOR RUGGED JOBS AROUND THE HOUSE OR FOR THE PROFESSIONAL. 400+ PSI (POUNDS PER SQUARE INCH). LIMITED LIFETIME WARRANTY. NOT SAFE FOR DRINKING WATER.