This crown shape silicone bottle stopper features outer diameter 3cm (1.18in), height 1.09cm (0.43in). Made of premium food-grade soft silicone, it fits most standard beer, wine and glass beverage bottles perfectly. The serrated crown edge creates tight airtight sealing to lock original flavor and effectively prevent air oxidation, volatilization and odor spillage for unfinished wine and drinks. Flexible silicone material is easy to squeeze and install, reusable, washable and durable for long-term daily use. Available in multiple bright solid colors, custom Pantone color matching and logo printing OEM service are supported for bulk wholesale orders.