Easy to insert and remove from the bottle,simply the stopper into the bottleneck. Bottle stopper is a good saver sealer. This wine stopper not be affected by the acid and of red wine and not rust. Feature:Seal anti-leakage the wine bottleto preserve the product inside and protecting it against harmful contaminants and keep wine tasting fresh. Wine stoppers are perfect for sealing wine,champagne,beer.It would make a great gift for a wine lover! These bottle stoppers fit most bottle sizes. This wine stopper can also be used as a decorative ornament in your house. The heart shape of the wine stopper is detachable to avoid being too high and difficult to put into the wine cabinet. Product Name: Round Head Wine Stopper colour: silver Material: plastic plating+silicone ring Size: 11x4.3cm Package Contents: 4 x Wine Stopper Only the above package content, other products are not included. Note: Light 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.