Features:<br />?? Suitable for wine bottles￡? which aperture is about 15 - 20mm.<br />?? Material: Suction pump: Stainless steel￡? environmental grade ABS￡? silicone￡? vacuum stopper: Food grade ABS￡? silicone.<br />?? One vacuum pump and 2 stoppers included￡? helps preserve opened wine longer.<br />?? Size: the original length of the suction pump: 15cm / 5.91 inch￡? while its stretched length is 23.5cm / 9.25 inch￡? its diameter: 3.5cm / 1.38 inch￡? wine stopper: 4cm / 1.57 inch(L)￡? 3.8cm / 1.50 inch(D).<br /><br />How to use: <br />1. Wash and dry the bottle stopper mounted on the bottle￡? plug in and press down. <br />2. Vertical alignment with the suction pump and bottle stopper.<br />3. Pull the pump up and down for several times￡? the air is released in the pumping process.<br />4. When you can feel the pulling suction large (usually about 10 times)￡? indicates the wine bottle is vacuum￡? and then placed in a lower temperature or stored at room temperature. <br />5. Need to release the pressure in the stopper￡? open the toggle button at the top of the plug.<br /><br />    Specifications<br />Product Details<br />  Type: Safety￡?Practical￡?Novelty                                                  <br />                        For: Adults                                                  <br />                        Material: ABS￡?Silicone￡?Stainless Steel                                                  <br />                        Occasion: Kitchen Room￡?Dining Room￡?Home￡?Bar                                                  <br />                        Color: Silver                                                 <br />Dimension and Weight<br />  Product weight: 0.112 kg                                                  <br />                        Package weight: 0.163 kg                                                  <br />                        Product size (L x W x H): 15.000 x 3.500 x 3.500 cm / 5.906 x 1.378 x 1.378 inches                                                  <br />                        Package size (L x W x H): 20.800 x 11.500 x 5.000 cm / 8.189 x 4.528 x 1.969 inches                                                 <br />Package Contents<br />  Package Contents: 1 x Vacuum Pump￡? 2 x Stopper                                                 <br /><br /><br /><br />                                            <br /><br /><br /><br /><br /><br /><br /><br />                                                <br />