🔬 Elevate Your Experimentation Game! The blue screw cap minimizes evaporation and exposure, keeping your samples secure and intact. Perfect for labs, kitchens, and STEM activities, these bottles are your go-to for all scientific endeavors. Reusable and BPA-free, these bottles are not just smart; they're sustainable! Crafted from premium borosilicate glass, these bottles are built to withstand the rigors of any lab environment. Clearly graduated markings ensure accurate measurements every time, making your experiments seamless. Leak-proof design Thermal stability 50ml capacity The Bello Borosilicate Glass Reagent Bottle set includes six 50ml bottles designed for durability and precision. Made from high-quality borosilicate glass, these bottles are resistant to heat, chemicals, and breakage. Each bottle features a leak-proof blue screw cap for secure storage and easy sterilization. Ideal for laboratory, kitchen, and educational use, they are clearly graduated for accurate measurements and are reusable, making them an eco-friendly choice for professionals and students alike.