These laboratory glass bottles are designed to meet the needs of professionals handling sensitive chemicals and reagents. The glass bottle offersprotection from light, while its screw-top caps provide a secure sealing to prevent leaks. Graduated markings facilitate precise measurement, making these small glass bottles an essential tool for accurate and safe storage in any lab. Features -Capacity: 250ml -Color:Brown -Material:Glass -Size:13.40X6.60X6.60cm/5.27X2.59X2.59in -Ultraviolet shield: the glass bottles effectively blocks ultraviolet, protecting light sensitive reagents and extending their shelf life -Accurate graduations: the small glass bottles are designed with clear and precise graduations, facilitate accurate liquid measurement, enhancing experimental precision -Secure threaded seal: glass bottles with caps ensure a tight seal, preventing the leakage of volatile substances and ensuring laboratory safety -Chemically stable: these glass bottles are made from glass, resist reactions with reagents, ensuring reliable experimental results -Laboratory versatility: ideal for chemical labs, this glass bottle caters to diverse reagent storage needs, boosting research productivity Package list: 3 x reagent bottles