Indenti-plug Plastic Foam Stopper

Durable and reusable foam stoppers are an economical way to keep the contents of your containers secure. Open-cell foam has a uniform density, leaves no fibers like cotton, is breathable, nonabsorbent, chemcial resistant, heat tolerant, and retains shape after repeated use. Can also be used as a cleaner for pipettes, tubes, vials and precision tubing. Autoclavable.