KEEP WINE FRESH: Wine Stoppers set have 4 steel balls It can be more firmly clamped to the bottle neck.The inside 3-layer silicone sealing ring presses out excess air and isolate air. Creat an air-tight seal to preserve opened bottles of wine. Fits most regular red and white wine bottles with diameter 18-19mm.
DURABLE AND SAFER: Red Wine Stopper shell is made of smooth hard plastic,The internal seal of it is made of food grade silicone, easy to clean and safe to reuse.
TWIST TO SEAL: Turn the top counterclockwise to loosen, clockwise to tighten. Easy to lock and remove from the wine bottle.
EASY STORAGE: The size of this wine bottle stopper is 1.53"(3.9 cm) * 1.57''(4 cm), the size of silicone sealing ring is 0.75''(1.9 cm),compact for easy storage and carry.Suitable for the limited space,can lay the bottle flat. -such as fridge, traveling, outdoors and RV.
WINE GIFT ACCESSORIES: Packed individually. A great gift and party favors -- especially when paired with a bottle of wine. Perfect for wine lovers.