Do you want to do some chemistry experiments at school or at laboratory, then you must not miss our glass test tubes. It can be used to storage liquids, blood and other items. It is easy for you to do and simple to operate, excellent and reliable for you. Features- Color: Mainly red. - Material: Glass, plastic. - Size: 10.00X1.50X1.50 cm/3.93X0.59X0.59 inch. - Capacity: 10ml. -Note: sticker is random style- Durable and environmentally friendly, safe and secure for disposable use and storage. - The glass test tubes with lids are safer and reliable, adopts vacuum negative pressure, for blood collection. - It is simple in design, but it's practical to use, which will give you fantasticuse experience.- The safe and excellentblood collection tube is suitable and perfect for laboratory and hospitals.- The experimental tubes are wonderful and sealing, can meet your diverse requirements. Packing list: 100 x tubes with covers