Stopper expands to create a seal for a perfect fit. Preserve the flavours of your favourite red wine or save that crisp white for later with the OXO Steel Expanding Wine Stoppers. Simply press down on the flat top with stainless steel accent and the silicone seal expands to fit your bottle just right. The seal keeps air out of wine, while also preventing leaks and drips. The Stopper is designed to expand to fit your bottle just right, and can be stored on refrigerator doors or even lying down on the shelf. Only for use with cork topped bottles. Each stopper measures approximately L6.5cm. Comes in presentation packaging, ideal for gift giving.