1.the belt made of polyester,unaffected by common Acid,moisture,rot and certain chemicals 2.Strong,Soft and Safe 3.easy to use We make safety belts according to ISO4878,EN1492-1,JB/T8521.The webbing for them are made of polyester which cannot be affected by common acid and certain chemicals.Our safety belts are very strong and safe.They are easy to use. Full Body Safety Belt