1The metal part is made of premium aluminum alloy with mirror polished surface, sturdy, anti-rust and durable. 2The black part is made with food-grade silicone,non-toxic and odorless. 3Set of 3 wine bottle stoppers provide an air-tight seal to prolong and preserve opened bottles of wine. 4These stoppers insert easily and remove with a single pull. 5Featuring elegant appearance, perfect gift for your friends and family.Features: The metal part is made of premium aluminum alloy with mirror polished surface, sturdy, anti-rust and durable. The black part is made with food-grade silicone,non-toxic and odorless. Set of 3 wine bottle stoppers provide an air-tight seal to prolong and preserve opened bottles of wine.These stoppers insert easily and remove with a single pull.Featuring elegant appearance, perfect gift for your friends and family. Specification: Condition: 100% Brand new Material: Aluminum alloy+Silicone Color: As shows in pictures Size for base: Approx.11.6*3*3.7cm / 4.56*1.18*1.46in Size for wine stopper: Approx.11*3.5*3.5cm / 4.33*1.38*1.38in Package List: 3* Wine Stoppers 1* Base Note: Please allow slight error due to manual measurement and make sure you do not mind before ordering. Please understand that colors may exist chromatic aberration as the different placement of pictures.