B0TAO Material:This wine stopper is made of high quality plastic and food-grade silicone.It will not be affected by the acid and alkali of red wine and will not rust. Easy to insert and remove from the bottle,simply press the stopper into the bottleneck. Bottle stopper is a good saver sealer. 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 Delivery Quantity: 6pcs, Package Contents: Only the above package contents, excluding other products. Size: 11X4CM (Reminder: The size is measured manually, please allow 1-2 cm measurement error) Colour: Black (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)