Beer Savers Keep It Fresh and Identified-
Always keep your beer fresh till the last or save them for another sitting by simply introducing temporary reusable silicon caps -Beer Savers. These beer savers caps come in different colors and help identify your beer in group and parties . Designed to fit any other regular bottles as well, this is an inexpensive home bar supply worth introducing to your home bar ware. Another cool thing you can buy on Amazon !
OR Check similar products such as wine saver and pump