DescriptionMade of glass and rubber material, this item of 400 trace blood collection tubes with a rubber suction head are safe and hygienic, disposable and practical, suitable for blood donation activities, blood sample collection, etc.Feature- Color: As Shown. - Material: Glass and rubber. - Size 20UL: Approx. 12 x 0.1 x 0.1 cm /4.7 x 0.04 x 0.04 inch. - Made of glass and rubber material, safe and hygienic. - 400 trace blood collection tubes, enough quantity to meet your different needs. - The rubber suction head for convenient to use. - Suitable for blood donation activities, blood sample collection, etc. - Disposable design, ensures that the blood does not mix.
