These wine bottle stoppers are made of silicone material, heat-resistant, durable, non-toxic, odorless, and not easily corroded or cracked. They can safely block wine or beverage bottles and can also be reused for a long time. There are many bright colors for you to choose from, not easy to fade. According to the theme of different festivals or gatherings, you can easily match various bottles to bring you a better life experience. 2 1/2'' L x 1'' D