These glass reagent bottles are designed for laboratory use, featuring a brown color to protect light-sensitive substances. The screw-top caps ensure a secure seal, preventing leaks. The glass bottles are graduated, allowing for precise measurement of liquids. Ideal for storing chemicals, reagents, and samples in and organized manner. Features -Capacity: 250ml -Color:Brown -Material:Glass -Size:13.40X6.60X6.60cm/5.27X2.59X2.59in -Ultraviolet protection: the glass bottles effectively block ultraviolet, protecting photosensitive reagents and extending their shelf life -Clear graduations: precise and clear graduations make the small glass bottles easy to measure liquids accurately, enhancing experimental precision -Threaded seal: glass bottles with caps effect prevent the leakage of volatile substances and ensuring laboratory safety -Chemical stability: made of glass with strong chemical stability, the glass bottles do not easily react with reagents, ensuring the accuracy of experimental data -Versatile use: suitable for chemical laboratories, this glass bottle meets various reagent storage needs, improving research efficiency Package list: 3 x reagent bottles