Made of high-quality polyethylene. Ideal for leak-proof sealing of test tubes.

Test tubes stoppers
Stoppers test tubes
Test tubes stoppers
Stoppers test tubes
Test tubes stoppers
Stoppers test tubes
Test tubes stoppers
Stoppers test tubes
Test tubes stoppers
Stoppers test tubes
Test tubes stoppers
Stoppers test tubes
Test tubes stoppers
Stoppers test tubes
Test tubes stoppers
Stoppers test tubes
Test tubes stoppers
Stoppers test tubes
Test tubes stoppers
Stoppers test tubes