Product Name : Centrifuge Tube;Material : Plastic Capacity : 0.5ml;Overall Size (Approx.) : 3.1 x 1cm/ 1.2 inch x 0.39 inch (L x Max D) Color : Clear White Net Weight : 830g The Centrifuge Tube is a common piece of laboratory consisting of a finger-like length of clear plastic tubing, open at the top, with cap design. Widely used by chemists to hold, mix, or heat small quantities of solid or liquid chemicals, especially for qualitative experiments and assays. Pacakge Content : 2000(+/-2%) x Centrifuge Tube Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.