This set of urine sedimentation tubes with screw caps is an essential tool for accurate urine analysis. The tubes are made of transparent plastic with clear markings for precise volume measurement. The screw caps ensure safe centrifugation of the samples, while the pointed bottom design allows for easy sedimentation of urine particles. These tubes are for storing and analyzing urine samples in a clinical or laboratory setting. Features -Color:Transparent -Material:Plastic -Size:10.50X2.00X2.00cm/4.13X0.79X0.79in -Capacity:12ml -Convenient Screw Cap: Convenient screw cap design for easy handling, allowing for easy storage and making it convenient to use and store -Efficient Sedimentation: Pointed bottom design for efficient sedimentation of urine particles, ensuring accurate results -Accurate Measurement: Clear markings for accurate volume measurement, allowing for precise measurement of the urine sample -Transparent Observation: Transparent design for easy observation of the sample, enabling observation without the need to open the cap -Safe and Secure: Safe and secure for use in a variety of laboratory experiments, ensuring reliable and consistent results Package list: 250 tubes