Axygen® MaxyClear SnapLock Microcentrifuge Tubes manufactured by Corning feature co-polymer construction to provide exceptional strength and chemical resistance, as well as frosted cap surfaces and frosted side panels for labeling. Axygen® MaxyClear SnapLock Microcentrifuge Tubes are available in a variety of colors and with or without cap which has a piercing port in the center. Axygen Maxymum Recovery® surface and sterile options are also available.