Welcome to akindofstar1.vn Red Wine Cap Homebrew Beer Bottle Replacement Swing Cap Flip Top Stopper Description: To put on bottle have bail lever on one side of neck and the swing cap on the other. Put one wire prong in one hole and slide the other prong along the glass towards the other hole until it clicks. Features: Design that inserts into the top of your bottle to create an instant airtight seal. It's better than ordinary EZ cap, Steel ring install on bottle, More stable. Matching pad and nuts included, Easy for use. Package includes: 1*beer bottle cap