Wine Food Grade Wine Cap Bottle Fresh-keeping Stopper $ 7.93 Product information: Material; Silicone Specifications; [Red wine vacuum preservation with one pump and 4 plugs] ABS plastic/pull-out type/KVS-20, [Red wine vacuum preservation with one pump and 4 plugs] ABS plastic/electric intelligent type/KVS-21A Style; Western Applicable bottle mouth; straight bottle mouth (inner diameter 18-19mm) Size Information: Product size: 41.657.5mm Color box size: 444460mm Packing list Red wine preservation stopper1