20pcs- 50ml Clear Glass Test Tubes 20 * 200mm Flat Mouth Heat Resistant Laboratory Chemistry Lab

Material : GlassColor: ClearInclude: 20 Glass Test TubesPack of 20: Glass Test Tubes 50mlGlass Lab Tubes : for professional laboratory

• Package Contains: 20pcs 50ml Glass Flat Lab Tubes (large capacity 20 x 200mm)
• Round Bottom: Uniform wall thickness is suited for heating, round bottom very uniform heating
• Premium Performance：Lab tubes are made from stable materials, such as Borosilicate glass, which are selected for chemical and thermal expansion resistance, transparency
• a variety of uses: large-capacity, clear test tubes can be used not only for scientific experiments, planting hydroponic plants, but also for party decorations such as Halloween, Christmas, weddings, and science theme parties
• If you need assistance with any matter, simply contact our customer service team.We strive to respond to your inquiries within 24 hours