Also known as vacutainers, Vaccum Tubes are widely utilized at pathological centers and hospitals for blood collection. They are so named because they do not require any plunger for collecting blood sample from veins. These tubes are used with their specific plastic sheath that holds needle. They come with color coding on their cap according to type of anticoagulant added to them. Vaccum Tubes are made of high quality sterile plastic with a rubber stopper at top for creating vacuum. They are known to safely keep sample without any deterioration and also allows direct centrifugation. These tubes are provided with a label on their body for writing patient & test name to prevent error chances.