Drip pour: Ergonomically notched, elongated pour spout delivers a smooth, controlled pour with no drips or spills. The tapered silicone base fits snugly into the bottle neck to create a leak seal while pouring. Improves flavor instantly: The builtin aerator uses the Bernoulli Effect to introduce air as you pour, opening a wine's bouquet and softening tannins immediately—no separate decanter required. 2in1 design: Combines a wine aerator and a removable stopper. Assemble the pourer for immediate aeration; when finished, remove the pourer and leave the airtight stopper in place for shortterm storage of leftovers. Safe, durable materials: Made from qualified foodgrade materials and certified BPA construction for safe contact with beverages and longlasting performance. Easy to clean: Disassembles quickly for rinsing under running water and is dishwasher safe for hassle maintenance. Simple to use: Follow the instructions printed on the color box. Typical use: insert and assemble the pourer and stopper, pour to aerate, then remove the pourer and reseal with the stopper. Wide compatibility: Tapered silicone base is designed to fit snugly into most standard wine bottles for reliable sealing and pouring. Use scenarios: Dinner at home: Aerate as you pour to bring out flavors without decanting, then reseal the bottle for later. Entertaining and events: Fast, drip pouring keeps serving smooth while improving taste for multiple guests. Onthego or casual occasions: Fits most wine bottles for picnics, outdoor meals, or impromptu gatherings; stopper protects unfinished bottles for shortterm storage.