Bubble Cork preserves the opened bottles of champagne and sparkling wine with elegance and efficiency. How to use Bubble Cork?Important: Bubble Cork must be in its “unscrewed” position before being applied on the bottle. Insert the end piece of the cork inside the neck of the bottleMaintain firmly the lower part of the cork and screw thoroughly the upper partTo remove it from the bottle’s neck, maintain firmly the lower part and unscrew the upper part Never shake the bottle, never bend the neck toward any face.Pure agglomerated cork from fine particles. End piece made of synthetic material. Origin: France and Portugal. Wash carefully by hand only the end piece. Not dish-washer proof.