Honbay 20pcs 15ml Plastic Centrifuge Tube EP Tube Seed Bottle Orange Screw Cap Round Bottom Graduated Marks

Capacity: 15ml Material: polypropylene(PP) Outer diameter: 1.6cm/0.63inch Total length: 11.4cm/4.49inch Type of bottom: round Type of cap: orange screw cap Package includes: 20 x 15ml centrifuge tubes They are clear, so you are able to see through the tubes without problems They're made rather thick and sturdy which allows you to use them over and over Can be sterilized with high pressure and high temperature (up to 121?)