- Flexible and Durable: Made from high-quality materials, these conical silicone stoppers offer exceptional flexibility combined with high hardness and strength. They are designed to withstand temperatures ranging from 200°C to 300°C, ensuring reliability in various conditions. - Variety of Sizes and Colors: This set includes 60 silicone stoppers in 8 different sizes and colors, providing ample options for your needs. The stoppers fit threaded or unthreaded openings with inner diameters (ID) ranging from 1/16 inch to 5/8 inch, allowing you to easily find the perfect match for any container. - Secure Sealing: Our silicone stoppers feature a smooth design with excellent insulation and sealing properties. They effectively prevent leaks of liquids, powders, and gases, ensuring your containers are airtight and the integrity of their contents is maintained. - Easy to Use and Reusable: The conical design makes these stoppers simple to insert and remove. They are flexible and elastic for hassle-free operation. Additionally, they are easy to clean and can be reused multiple times without staining, making them a practical choice for everyday use. Applications: - Use these stoppers to seal laboratory containers, preserving the quality of samples and preventing contamination. - Ideal for kitchen use, they can keep opened jars and bottles airtight, extending the freshness of food items. - Perfect for crafts and DIY projects, these stoppers can securely close tubes and bottles, ensuring no spills during storage. Choose these silicone stoppers for a reliable, versatile solution to all your sealing needs.