Audible "snap!" gives you the confidence that the tube is completely closed
Easily open or seal the tube with one hand; same hinged cap style as micro centrifuge tubes
Elongated lip on attached cap prevents finger contact with tube, reducing cross contamination
Ideal for sample storage, collection and experimental procedures
Single-piece design is easy to use in the lab or the field
Offers savings advantage versus traditional flip-top screw cap
Available in conical and self-standing bottoms