MMRM Silicone Reusable Seal Wine Stopper Bottle Cap - Red Fancy design and non-stick silicone bottle cap and wine/beer cover, perfect items for bar tools or kitchen beverage stopper Made of high quality food grade silicone, Environmentally friendly and waterproof Its flexibility and air-tightness makes the wine or oil and other liquids stay in the bottle It can stop pollution from surrounding and keep the liquids fresh, not the same with metal and wood Applicable to beer, rice wine, coke bottle, etc.