Designed with graduations help to provide an accurate reference, perfect laboratory supplies 100 % New with Premium quality, and practical Manufactured without the use of slip agents, plasticizers and biocides-substances that have been shown to leach from plastic consumables into the sample and negatively affect bio-assay results Precise lid sealing for lowest evaporation rates during long-term storage Well made with polypropylene which is highly to chemicals, mechanical stress and temperature Hinged lid helps to prevent accidental lid opening and allows contamination-free lid opening Overall Size ( Dia. x H ):116*29mm Capacity: 50ml colour:blue Material: Plastic Package Contents: 50 * Centrifuge Tubes Only the above package content, other products are not included. Note: Light 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.