30pcs 25ml Glass Test Tubes, 20x100mm Clear Flat Bottom with Cork Stoppers, for Science Experiments & Bath Salt

This glass test tube set includes 30 tubes, each with a capacity of 25ml and dimensions of 20x100mm. Crafted from premium borosilicate glass, these tubes offer outstanding thermal resistance and durability, ensuring safe handling during experiments or creative projects. The clear, flat-bottomed design allows easy observation and stable placement, while the included cork stoppers provide a secure seal to keep contents protected from moisture and contaminants. Ideal for school science demonstrations, laboratory sample storage, essential oil organization, or stylish bath salt packaging, these versatile tubes are a practical addition to any workspace. Their smooth surface simplifies cleaning, making them reusable and cost-effective. Whether you're a teacher, researcher, hobbyist, or DIY enthusiast, this set meets diverse needs with reliability and elegance. Order now to experience quality and convenience—we ensure careful packaging and prompt delivery for your satisfaction.