a coated textile fabric is disclosed for manufacturing an air holding device for a vehicle restraint system , including a base woven , knitted or non - woven base textile fabric having a first surface and a second surface . the base textile fabric is completely or partially coated with an adhesive polyurethane to form a first coating layer , the first coating layer being coated with a second composite coating layer . the second composite coating layer is preferably a polyurethane , a polysiloxane , and an epoxy resin which acts as a filler and adhesion promoter . a third coating layer is formed of a polymeric polyurethane material coated on the second composite layer . a method of producing the coated textile fabric is also disclosed . a heat sealing die for forming sealing beads to seal such coated textile fabrics to form air holding devices is also disclosed .