Haley's Corker 5-in-1 aerator, pour, wine filter, stopper and leak-proof bottle stopper reseals opened bottles to keep contents freshness longer;Proudly made in America from BPA-free, food-safe plastic; creates airtight, liquid-tight seal; store bottles upright or on their side without leaks;Aerates newly opened wine and filters cork, sediment and tartrates as it pours; won't splash or drip; protects contents from dust and bugs outdoors;Great for liquors, spirits, wines, coffee syrups, sodas, sparkling waters, cooking oils, vinegars, and more; keep tables and counters mess free;Set of 4; fits most standard-sized bottles; reusable; dishwasher safe