[Material] The Lab rubber stopper is made of premium solid rubber material. With moderate hardness and high elasticity, these stoppers resist deformation, will offer a long term using experience for you.
[Easy to Use] The Lab seal rubber stoppers adopt a tapered shape design, easy to insert and remove, providing a secure seal for using.
[Size] This comprehensive set includes 11 assorted sizes rubber plugs ranging from #000 to #8, catering to a wide range of applications.
[Widely Used] These tapered lab bungs can be used in test tubes, flasks and other laboratory apparat usable for laboratory, school, home and industrial applications., etc., it's a great choice to meet your needs. Please note: These rubber stoppers are not food-grade.
[Value Set] You will get 30 pieces rubber stoppers, sufficient quantity can meet your daily use and replacement need.
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