E-Z Vac Wine Saver: The amazing New E-Z Vac wine saver and storage system is a must for anyone who drinks wine. Certain to keep your opened wine fresh for weeks. Incredibly simple to operate. Simply place on top of any wine bottle, lift outer collar to pour beverage from the convenient no drip pour spout and enjoy your wine. To store wine, simply slide collar down to it's original position, and pump out excess air using the handy built in pump evacuator located at the top of the E-Z Vac. This feature allows you to retain freshness and prevent oxidation and spoilage. The E-Z Vac is definitely a cost effective system to assist in keeping any wine fresh longer than other similar products claim to.