10pcs Food Grade White Silicone Stoppers for Test Tubes, Bottles, and Brewing - Rubber Seals for Lab Glass and Home Use(No 5)

10pcs White Silicone Stopper Rubber Test Tube Plug Puncher Rubber Seal Stopper Flask Home Bottle Cap Brewing Wine Plug Lab GlassDetails:Material: food grade siliconeSize: (approx.) Hole diameter: 8mm/0.31in, see the diameter and height of each specification in the figurePacking list:10pcs * Silicone Rubber Stoppers for Brewing Wine

• Made from food grade silicone, ensuring and compatibility for various applications including brewing and laboratory use.
• Each stopper features an 8mm (0.31in) hole diameter, perfect for test tubes, flasks, and bottles, providing a secure and airtight seal.
• Non-toxic, odorless, and material makes these stoppers ideal for food and beverage storage, maintaining freshness and flavor.
• Durable and resistant to heat, cold, and ozone, these silicone stoppers can withstand harsh processes without degrading.
• Pack of 10 stoppers offers , making it easy to replace old or worn-out seals in your home brewing or lab setup.