100PCS Lab Supplies Plastic Test Tubes Transparent Graduated Pipettes Disposable

• Generally used in lab, microbiology, chemical test and all that experimental process.
• Made from low density polyethylene and graduated with 3ml.
• Clean, chemically inert and non-toxic for the environment.
• Material: Low Density Polyethylene
• Color: Transparent
• Size: 2 sizes to choose from.
• Capacity: 1ml or 3ml 

Notes: 

• Push and release the top for sucking liquid, and push again to extrude it.
• Please allow a little measuring errors.