【Package Included】You will get 20 pieces corks for wine bottles, They were packed into bags, which were then placed inside cartons, ensuring the cleanliness and integrity of the products. 【High Quality Material】The wine stopper stoppers are made of quality aluminum and silicone, carton packaging, which are reliable, safe to use,long-lasting, no smell, not easy to break, can serve you for a long time. 【Product Size】 The diameter of the cork is between 18.6-19.3mm, the size can fit for the 375 ml, 500 ml and 750 ml bottles. 【Tightness】The wine corks stopper adopts a T-shaped design, which fit bottle mouth nicely to keep good air tightness inside the bottle and they are easy to insert and remove. 【Warm reminder】When purchasing these tapered corks , you can measure the size of the bottle to avoid errors.