20pcs Centrifuge Tubes 1.8ml With Screw Cap, Graduated Pp Freezing Vials. Introducing Our Premium 1.8ml Centrifuge Tubes, Designed for High-performance Laboratory Applications. These Tubes Are Crafted from Durable Polypropylene (PP) and Are Perfect for a Variety of Scientific Uses. They Are Autoclavable and Exhibit Ultra-low Temperature Resistance, Making Them Suitable for Storage in Liquid Nitrogen Tanks. Each Tube Features a Convenient Scale for Precise Measurements. Available in a Set of 20 Pieces, These Centrifuge Tubes Offer Exceptional Reliability and Versatility for Your Lab Needs. Features: - Volume: 1.8ml with Measurement Scale - Material: High-quality Polypropylene (PP) - Temperature Resistance: Suitable for Autoclaving and Liquid Nitrogen Storage - Quantity: 20 Tubes Per Set. Your order tracking code will be sent on shipping and takes up to 5 days to show live information.