Silicone Aluminum Wine Bottle Stopper

This vacuum bottle stopper is made of food grade silicone and aluminum alloy. Insert the stopper into the bottle mouth, pull the piston rod up and down, the more you pull, the tighter the suction. Normally, the rod will automatically rebound after releasing the handle. At this time, the bottle is closed and nearly be vacuumed. The fresh-keeping time is longer than 7 days, which effectively guarantees that the already opened wine will not deteriorate for a long time. 1.18"" L x 3.54"" W