Bottle stoppers - not just for wine and liquor! They're great on balsamic vinegar and oil bottles too! Wine bottle stoppers and liquor bottle stoppers are crafted with stainless steel and tops of antler, resin, or wood. Learn more about these materials in Trappings of a Penmaker. Since each bottle stopper is handmade by the craftsman owner, no two will be exactly alike. The hand turned bottle stopper in the photograph is the bottle stopper you will receive.