Description:Material: Stainless steel and plasticFeatures: Keep what's left in partially consumed bottle of wine as rich and tasteful as the first sipBottles sealed with push-button stoppers can be stored horizontally while those sealed with competing stoppers must be stored upright to prevent leakingInstruction: For seal bottle， wash and wipe the vacuum bottle cover， insert it in the bottle mouth and clamp it downPlace the pump onto the bottle cover and hold it in placeSlowly pull pump handle up to remove air and create a vacuum sealTo remove stopper， release vacuum seal by pulling the tow tabs on top of the stopper togetherNote: NOT recommended for sparkling wines