These colorful snap-on closures are an effective way to recap blood drawing tubes, glass test tubes, and plastic culture tubes

• Low density polyethylene (LDPE)
• Assorted colors available
• Fits both glass and plastic tubes

Each cap is precision molded from low-density polyethylene, and maintains a tight seal during centrifugation, agitation, and refrigeration procedures. They are available in bright attractive colors for sample identification purposes. The caps feature a single thumb tab for easy removal of the cap. This feature also allows the tubes to be stacked closer in racks when compared to double thumb tab caps.