Product Description: Air Pump: 8.3*7*14.5cm/3.3*2.8*5.7inch Stopper: 3.5*1.8*4cm/1.4*0.7*1.6inch Material: Stainless Steel+Silicone Package Content: 1 x Wine Saver Pump + 4 x Bottle Stoppers(All Reusable) Material: This vacuum pump is made of stainless steel and food grade silicone with 4 reusable stoppers. The vacuum pump creates an air vacuum and keeps wines natural, fresh in smell and taste for 14-15 days after opening. Smart Design: The pump handle is ergonomically designed for easy pumping and to avoid pinching your fingers. Easy to Use: Insert the wine stopper, press the air out of the bottle, remove the pump and secure the cap. Lift the inner tab to release the stopper. Features: The pump is small and travel-friendly. Vacuum Pump Set Includes: 1 x Wine Saver Vacuum Pump and 4 x Vacuum Bottle Stoppers. Note: Vacuum-preserved corks deform with heat, so do not use hot water. Do not place near heat sources.