Kimmos Stainless Steel Wine Saver Vacuum Wine Pump with 2 Stoppers (KF-748, Black & Silver) Stainless Steel Wine pump:takes out the air from opened bottles,to slow down the oxidation process and keep wine fresh. Rubber stopper:re-usable rubber stopper can re-seals wine,prevent oxygen into the bottle. Comfortable Sleek Design & Very Easy To Use Material:18/0 SS tube + ABS Pump /2pcs Rubber stoppers Finish:Satin finish Includes 2 Stoppers; Very Powerful suction - Just Plain Works