- Higth Quality Borosilicate (Pyrex) Glass Tubes
- Open & Fire Polished On Both Ends For Safe Handling
- Withstand High Temperature 1,150 Degrees Celsius 2,102 Degrees Fahrenheit
- Eco Friendly, Reusable, Easy To Clean, Hot & Cold Resistance
- Microwave & Dishwasher Safe
4 Inch Long HIGH QUALITY BOROSILICATE CLEAR GLASS TUBES 12mm OD 8mm ID 2mm Thick Wall Fire Polish On Both Ends For Safety Handle Eco-Frienly