Globe Scientific13mm Clear Polyethylene Snap Cap for Vacuum or Test Tubes with Two Thumb Tabs

These colorful snap-on closures are an effective way to recap blood drawing tubes, glass test tubes and plastic culture tubes. They are precision molded from low-density polyethylene (LDPE) and maintain a tight seal during centrifugation, agitation and refrigeration procedures. They are available in bright attractive colors for sample identification purposes. The caps feature two thumb tabs for easy removal of the cap.