Target Crimp Top Clear Vials, 11 mm Silver Crimp Seals, PTFE / Silicone Septa. 100 of each vial component in two compartment, clear lid tray. No flimsy clam shell to pop open. Great packaging for keeping products dust-free. Our I-D vials with write-on patch have graduations at 0.5, 1.0, and 1.5 ml.