Hermetic Bottle Cap With Expansion Sealing System. 2 units

Hermetic wine beer bottle stopper with sealing system. -Bottle stopper, with airtight closure. -When you operate the lever, the silicone expands inside the neck of the bottle, preventing the entry and exit of air. -Preserves the properties of wine for longer, also suitable as a stopper for sparkling water, beers, soft drinks, etc. -Made of stainless steel, with a silicone body. -Pack of two units in blister with protective plastic capsule.