If you’re working in a lab or setting up experiments at home, these 6pcs Rubber Laboratory Stoppers are a must-have. Ranging from 13mm to 17mm, they fit a variety of glassware and other containers, making them super versatile. Made from durable rubber, these stoppers create a tight seal to prevent spills and keep your samples safe. You’ll find them handy whether you’re working with test tubes, flasks, or bottles. They’re easy to insert and remove, so you won’t have to struggle during your experiments.
Plus, with six stoppers in one pack, you’ll always have the right size on hand for your needs. Their black color not only gives them a professional look but also helps with visibility in a busy workspace. Whether you're in a professional lab or just need some reliable supplies for a DIY project, these stoppers are practical and reliable. Don't let messy spills ruin your experiments—grab these stoppers and get started on your next project with confidence!