Dear India Partners! My company seller is crumb rubber from ruber gas mask gp-5 sssr withot glases and filter, table of contents natural rubber more than 70 % for rubber waste, sergical ruber, silicon rubber, natural rubber. Dear Sir, Crumb rubber Gas Mask: \"Civil Ruber Mask GP5\" withot glases and filter for rubber scrap, sergical ruber, rubber products. Quantity: 500,000 units 1 set - 1 mask