If you’re working in a lab or just need a reliable way to seal your test tubes, these 6pcs Black Rubber Stoppers are a must-have. They fit snugly into most standard test tubes, keeping your samples safe and secure. Whether you’re mixing chemicals or storing solutions, these stoppers prevent spills and contamination, giving you peace of mind during your experiments.
Made from durable rubber, these stoppers are built to withstand everyday lab conditions. They’re easy to clean and reusable, which makes them a practical choice for anyone who appreciates efficiency. Plus, with six in a pack, you’ll always have extra stoppers on hand when you need them. It’s one less thing to worry about when you dive into your next project!