Designed for reliability, this screw-lid plastic test tube features a conical bottom and clear graduated markings, making it ideal for urine sediment analysis. Its durable construction ensures secure sample containment, while the user-friendly design facilitates effortless handling during laboratory or clinical testing procedures. Features -Color:Assorted Color -Material:Plastic - Size: 10.50X1.60X1.60cm/4.13X0.63X0.63in -Capacity: 12ml -Secure screw design test tube: the screw lid ensures strong sealing, preventing sample leakage during transport or storage for reliable testing results -Volume measurement test tube: equipped with clear graduated markings, the tube allows accurate measurement of urine samples for enhanced test reliability -Optimized sediment analysis test tube: the conical bottom design promotes effective sediment collection, aiding in comprehensive urine component analysis -Durable plastic material test tube: made from plastic, the tube is lightweight, sturdy, and resistant to breakage, ensuring safe handling -Single use cleanliness: designed for one time use, the tube makes sure sample purity Package list: 200 tube