SpecificationThe reusable wine bottle corks size is 9cm/3.54 inch. Each pack contains 3 wine stoppers, enough for daily use MaterialThis wine bottles stopper is made of high quality plastic and durable silica gel, sturdy and fashion. How to usePut the beer corks into the bottle, and the bottle with a diameter of 15-20mm is suitable. ApplicationsThe beer cork edges are smooth, suitable for a variety of red wine, champagne, wine to maintain its freshness. Remain FreshnessThe wine bottle sttoper has a good seal and is perfect for preventing air leaks and keeping your wine, champagne and other carbonated drinks fresh. Dear customer, Thank you for choosing our products. If there is any problem with our products, please contact us through the order information. We will be happy to serve you and solve it for you as soon as possible within 12 hours, thank you!