10pcs Food-Grade White Silicone Stoppers for Test Tubes, Bottles, and Brewing - Rubber Seal Caps for Lab and Home Use(No 3)

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, these stoppers are safe, non-toxic, and odorless, ensuring your beverages and liquids remain uncontaminated.
• Versatile devise features an 8mm hole diameter, making these stoppers perfect for sealing test tubes, flasks, and a variety of bottle types in home brewing and laboratory .
• Durable construction allows these stoppers to withstand extreme temperatures and harsh disinfection processes, making them ideal for repeated use in various applications.
• Each pack includes 10 silicone stoppers, providing an ample supply for all your brewing, laboratory, and home use needs, ensuring you never run out.
• Excellent physiological inertness and compatibility guarantee a secure seal without any contamination of your liquids, making these stoppers a reliable choice for any project.