Honbay 10PCS 50ml Plastic Centrifuge Tube Laboratory Tube Blue Screw Cap Flat Bottom Graduated Marks

Material: polypropylene(PP) Type of bottom: flat Type of cap: blue screw cap Capacity: 50ml The outside diameter of the cap: 34.3mm/1.35inch The outside diameter of the tube: 28.7mm/1.13inch The inner diameter of the tube: 27mm/1.06inch Total length: 11.5cm/4.53inch Package included: 10 x 50ml 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