Best-in-class wine system keeps your wine safe from oxidation, allowing it to continue to age naturally;Non-coring, faster pouring needle allows access to wine without cork damage, allowing it to reseal and continue protecting the wine;Argon gas, an inert gas used in the wine-making process, protects the remaining wine from oxidation. Proprietary capsule cap creates a tight seal between capsule and product;Press the trigger to pressurize the bottle, release to let wine pour out. Ergonomic handle and angled spout make wine pouring easy;Bottle clamp with grips makes it easy to attach, providing a secure hold on the bottle, ensuring the system remains stable while pouring. Fits on a variety of sized standard bottles