• Flexible caps are precision-molded from high-quality polyethylene
• Snap-on design provides a secure seal to reduce risk of spills and evaporation
• Can withstand centrifugation, agitation, refrigeration, and freezing
• Thumb tab allows for comfortable grip and easy removal
• Caps can be labeled with ink for quick identification
• Non-sterile, not made with natural rubber latex
• Available in 13 mm (42028) and 16 mm (42029)

Dynarex LabChoice Flex Caps for Test Tubes are precision-molded from high-quality polyethylene for optimal durability. These flexible snap-on Caps offer a tight seal and comfortable grip, reducing the risk of spills and minimizing evaporation during storage and transport. The Caps are designed to withstand a variety of laboratory conditions, including centrifugation, agitation, refrigeration, and freezing. The Flex Caps are designed with a thumb tab for easy removal. Dynarex LabChoice Flex Caps can be labeled with ink for quick identification.