With this handy tool, you can drink your wine and save it, too. Designed to preserve wine's unique flavor, our easy-to-use vacuum pump slows oxidation by quickly extracting air from opened bottles. Just cap your bottle with one of the stoppers, then use the stainless-steel pump to create an airtight seal. When you hear a clicking sound, you'll know the bottle has been securely vacuum sealed. Extracts air from opened wine bottles, then creates a vacuum seal to preserve the wine's distinctive flavor and bouquet. Pump and stoppers work with most standard wine bottles. Includes two reusable rubber stoppers.