Wine Pump Vacuum Stoppers Leak-free Wine Bottle Stopper Saver Reusable Wine Preserver with Food-safe Silicone Sealer Caps Pack of 5

How to use the vacuum wine stopper 1. Clean it at first and insert it into the bottle. 2. Pull the piston rod up and down until the air in the bottle was fully released and the pole would rebound automatically. 3. Next time to drink the red wine, rotating (or left and right swing) pull out the wine plug. Specification: Material: PC + ABS + food grade silicone Unit Weight: 25g Size: 2.5 cm (top diameter) x 1.5 cm (base diameter) x 8.5 cm (height) Package Content: 5pcs vacuum wine pump stoppers