Fisherbrand microcentrifuge tubes 0.6ml graduated tube with flat cap mixed Fisherbrand Flat-top snap caps provide a safe, liquid-tight, reliable seal even with prolonged boiling Capacity: 0.6mL High-clarity polypropylene Graduated in 0.1mL markings Withstand forces up to 30,000 x g Easy-open caps with needle insertion spot and textured marking area Labeling area on tube exterior Highly polished interior for maximum sample recovery Temperature range of -80 to +121 C Fit all standard rotors Nonpyrogenic Autoclavable at 121 C/15psi for 15 minutes SHIPPING: DHL Sea shipping for bulk orders 3 to 7 business days shipping