Material: The wine mouth part is made of stainless steel. It is , not easy to rust, and can be used repeatedly. The bottle stopper is made of food grade rubber with good sealing effect. There is no smell at all. Self Closing-Designed: The liquid flow out quickly and evenly through our well designed bottle mouth. We design the angle which can automatically opens the bottle mouth when pouring and it can easily control by one hand. Perfect Choice- Simple and practical design make your bottle usage more stylish and convenient. Take your home bar to level and add this pour spout to your cocktail routine for expert, precise bartending skills. Stainless steel pourers are the most popular pour spouts in home, kitchen, restaurants, bar, Try it out on bottles of olive oil, vinegar, coffee syrups, and other products you use frequently. It offer the same great advantages , Easy to Clean & Long Lasting. Easy to remove and replace, simply hand wash in soapy water and you'll to use again. size: 12cm Material: Stainless steel + rubber colour: Silver Package Contents: 4 x Bottle Pourers 1 x cleaning brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.