Informative Labeling! Bel-Art’s Safety-Labeled wash bottles include a wide 53mm opening for easy filling and polypropylene closure with leakproof design for dispensing your most common solvents. Bottle and cap are both chemical and corrosion resistant. The clear labeling provides safety information. Bottles are imprinted with DOT, NFPA, CAS, protective equipment and target organ information and symbols. Pack of 6.