Wine Saver with 2 Stoppers

This Wine Saver Pump preserves wine like no other, preventing oxidation and high pressure changes within the bottle for up to one week. Make your wine last longer between servings! How to use:
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• 1. Insert stopper into the bottle.
• 2.a Press Wine Saver firmly over stopper with one hand. Pump air out using the handle with the other hand.
• 2.b Bottle is vacu-sealed when resistance is felt in upward pumping motion.
• 3. Remove pump and store bottle in upright position.
• 4. To release stopper, push its center on one side and remove it.