❤Specification: ❀Material: polypropylene(PP) ❀Type of bottom: round ❀Type of cap: blue screw cap ❀Capacity: 10ml ❀The outside diameter of the tube:18mm/0.7inch ❀The inner diameter of the tube: 15mm/0.59inch ❀Total length: 100mm/3.93inch ❤Feature:: 1.Markable Blank Area 2.With clear graduated and screw cover 3.Can be sterilized with high pressure and high temperature (up to 122℃) 4.For clinical applications, plastic Centrifuge Tubes are designed for in vitro diagnostic use and intended for concentrating serum, urine, cerebrospinal fluid and other body fluid and other body fluids prior to analysis. ❤Package Included: 20 x 10ml centrifuge tubes