Made from a single bubble, these stoppers are blown very smoothly and evenly so they are strong enough to stand up to frequent use. The black silicone gasket has graduated rings that allow the stoppers to fit a range of bottles. Size: Approximately 3 3/4 inches tall, 1 3/4 inches...

Made from a single bubble, these stoppers are blown very smoothly and evenly so they are strong enough to stand up to frequent use. The black silicone gasket has graduated rings that allow the stoppers to fit a range of bottles. Size: Approximately 3 3/4 inches tall, 1 3/4 inches...

Made from a single bubble, these stoppers are blown very smoothly and evenly so they are strong enough to stand up to frequent use. The black silicone gasket has graduated rings that allow the stoppers to fit a range of bottles. Size: Approximately 3 3/4 inches tall, 1 3/4 inches...

Made from a single bubble, these stoppers are blown very smoothly and evenly so they are strong enough to stand up to frequent use. The black silicone gasket has graduated rings that allow the stoppers to fit a range of bottles. Size: Approximately 3 3/4 inches tall, 1 3/4 inches...

Made from a single bubble, these stoppers are blown very smoothly and evenly so they are strong enough to stand up to frequent use. The black silicone gasket has graduated rings that allow the stoppers to fit a range of bottles. Size: Approximately 3 3/4 inches tall, 1 3/4 inches...

Made from a single bubble, these stoppers are blown very smoothly and evenly so they are strong enough to stand up to frequent use. The black silicone gasket has graduated rings that allow the stoppers to fit a range of bottles. Size: Approximately 3 3/4 inches tall, 1 3/4 inches...

Made from a single bubble, these stoppers are blown very smoothly and evenly so they are strong enough to stand up to frequent use. The black silicone gasket has graduated rings that allow the stoppers to fit a range of bottles. Size: Approximately 3 3/4 inches tall, 1 3/4 inches...

Made from a single bubble, these stoppers are blown very smoothly and evenly so they are strong enough to stand up to frequent use. The black silicone gasket has graduated rings that allow the stoppers to fit a range of bottles. Size: Approximately 3 3/4 inches tall, 1 3/4 inches...

Made from a single bubble, these stoppers are blown very smoothly and evenly so they are strong enough to stand up to frequent use. The black silicone gasket has graduated rings that allow the stoppers to fit a range of bottles. Size: Approximately 3 3/4 inches tall, 1 3/4 inches...

Made from a single bubble, these stoppers are blown very smoothly and evenly so they are strong enough to stand up to frequent use. The black silicone gasket has graduated rings that allow the stoppers to fit a range of bottles. Size: Approximately 3 3/4 inches tall, 1 3/4 inches...

Made from a single bubble, these stoppers are blown very smoothly and evenly so they are strong enough to stand up to frequent use. The black silicone gasket has graduated rings that allow the stoppers to fit a range of bottles. Size: Approximately 3 3/4 inches tall, 1 3/4 inches...