RiKiGroup vacuum wine stopper,wine bottle stopper,wine stopper vacuum,a Stainless Steel Vacuum Pump + 2 Wine Stoppers wine preserver pump is made of sturdy stainless steel that can last a lifetime and ABS plastic. wine stopper vacuum Creates an airtight vacuum that preserves wine once the bottle has been opened,Prevents the oxidation process that is responsible for the deterioration of wine Highly durable - wine saver will tolerate regular and prolonged usage Wine bottle stopper suitable for all ( include screw cap bottles ) but sparkling wines Contains: 1 x Wine Saver Pump and 2 x Vacuum Bottle Stoppers (both re-usable)