1. Material: metal/ABS
2. Small and compact, can be placed in a refrigerator
3. Sealed with silicone material, vacuum preservation
4. Dust-proof and anti-smelling, preserve fresh taste
5. Style I KVS-4: electric smart model uses 2 AA alkaline batteries (not included)
6. Style K KVS-21A: uses TYPE-C interface to charge and use, built-in 500mAh lithium battery
7. Style D [red wine vacuum fresh-keeping stopper] stainless steel silver / push type / with date scale: 47x72mm, 80g
8. Style E [red wine vacuum fresh-keeping stopper] stainless steel silver/press type: 41.6x57.5mm, 57.5g
9. Style F [red wine vacuum fresh-keeping stopper] Aluminum alloy black/press type: 41.6x57.5mm, 44g
10. Style G [red wine vacuum preservation stopper] Aluminum Alloy Red/Push Type: 41.6x57.5mm, 44g
11. Style H [vacuum wine stopper for red wine] Aluminum Alloy Gold/Push Type: 41.6x57.5mm, 44g
12. Style I [red wine vacuum fresh-keeping stopper] ABS plastic/electric intelligent type: 71x71x48.5mm, 97g
13. Style J [Vacuum preservation of red wine with a pump and 4 plugs] ABS plastic/pull-out type: vacuum pump 68x35x132 mm, wine stopper 34x34x32.5 mm, 90 grams
14. Style K [Vacuum Preservation of Red Wine with a Pump and 4 Plugs] ABS plastic/electric intelligent type: vacuum pump 46x141.5mm, wine stopper 34.2x41.5mm, 170g