... flammability. wine cork stopper1. including all kinds cork stopper such as natural cork, colmate corks, agglomerate corks , T cork and 1+1 ... corks.2. all corks raw material originating from the bark of the cork ... wax layes, primary lamella, secondary lamellas, plamodesma4. the cork size standard are: 24X44mm, 24X38mm, printing logo; also ...