Want to save your wine for later? Pump the air out! Keep your opened wine fresh for up to a week! Operation is incredibly simple - just place the Vacu-Pump over the reusable Vacu-Stopper and pump. The Vacu-Vin system removes virtually all the air from the bottle, preventing spoilage from oxidation. An efficient and cost effective way to preserve your favorite wines. Includes 1 Pump and 2 stoppers.