Specifications:

• Volume: About 7ml
• Type 7: Various Uses Tubes
• Type 6: Teaching Equipment
• Type 5: School Supplies
• Type 4: Lab Supplies
• Type 3: Storage Containers
• Type 2: Corks Caps
• Type 1: Clear Plastic Test Tubes
• Size: Outer DIA is 12mm, Length is 100mm
• Package Include: 20pcs Test Tube With Cork
• Origin: CN(Origin)
• Model Number: Test Tube
• Material: Plastic
• Classification: Test Tube